N54 lpfp log Rail pressure was solid at about 2250 psi with accelerated slammed. 1 map it doesn't happen. Would dual walbro 450s be adequate for hitting that range or would it be best to do a 450 primary and a 525 secondary? This Spool Performance Spool Performance N54 Stage 2 Bucketless LPFP (Mfg#SP-BM54FP-S2) fits BMW E82 N54 3. <50PSI sustained LPFP (Low Pressure Fuel Pump) is not acceptable - The This is the most powerful LPFP upgrade available and bypasses all the factory restrictions to maintain higher pressures and greater flows. OEM PUMP CONECTOR FOR ONE PUMP. Item added to your cart View cart. NoGuru Captain. Over the last few months my low pressure fuel pump pressure has been consistently running 52-58 psi no load. Reactions: JBacon335. I'm only giving it about half acceleration. 00 **SUPER VALUE** N54Tuning Line - N54 Catless 3" Downpipes $388. HPFP was replaced 50k miles ago. Easiest way to see if it's bad is go take a log from 2k rpm in 3rd to 4th and redline 4th. 1 of 2 Go to page stage 2 bucketless low pressure fuel pump lpf sensor, high pressure fuel sensor. most likely EKP overheets - you have upgraded low pressure fuel pump that draws more current than oem. common issue on N54 and N55 when pumps been upgraded. . The new Walbro 450 pump provides more flow than stock one and this assembly can be purchased one of I just need to attach the 2nd pump to the top hat. We have been testing this for almost a year now and here it is finally in a release post. Latest reviews. N54 Stage 3 LPFP Upgrade. So recently my car has been feeling horrible and having symptoms of HPFP and violently jerks the car, cutting the turbos out and shutting off the HPFP. Why should not e89 will be able to output about 600hp crank when other n54 can do it without PI or overdrive? Seen many 335 that runs great with only upgraded lpfp and stock hpfp doing -8 is an overkill and pointless as the inlet on the hpfp pump internally is like a -2. May 19, 2024 12 1 0. 90 @ 128mph if im not mistaken I remember seeing a video on youtube about a guy rebuilding a BMW N54 HPFP – Vargasturbo Turbo Technologies Thanks for watching ‼️In today’s video my boy Andrew and I will be showing you guys how to properly install and uninstall a old worn out n54 hpfpFollow him . Fuel-It’s stage 3 kit features dual Walbro 450 or 525 pumps (option to upgrade one or both pumps for $75 each). My logs from MHD Stg 1, 1+, and 2+ all look similar in that regard. Installed it and worked great for about 10 miles. These codes are common with HPFP issues – a well documented problem on the N54. N54 Code 29DC Cylinder injection switch off. Menu Home. 0L. Get more out of your N54 Engine! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. May 23, 2024 #2 Did you resolve ? Any update? Keith1k I'm really impressed at how smooth your LPFP is in that log, way smoother than even PWM controlled ones on the stock EKP. Any N54 having LPFP spikes over 110psi! 2007 335i e92 Fuel-it stage 3 LPFP 550 cc PI AIC2 Motiv- FF sensor Running e85 In the process of tuning my car, noticed the LPFP pressure was all over the place, dropping below 40 and spikes over 100psi, so I BMW E92 335i N54 3. N54 WOT log . 0L, BMW E92 N54 3. More than a year ago. Thread starter marseille; Start I've been asked by a few persistent guys when I'm going to stop goofing off and spending my time chasing the wife around, and come up with a solution for those of you who want some more fuel for your N54 powered 5 series without spending a ton of cash. The HPFP was recently replaced with a genuine BMW replacement and the LPFP is a Precision Raceworks Walbro 535 (bucketed). 0. Leave the hard stuff to us, you handle the assembly. Despite the 113k miles on this pump and demanding fuel flow from the upgraded inlets/outlets the LPFP manages to hold up even on 40% E85. These kits are designed to be installed inline with your stock low pressure fuel pump (LPFP). On E85 less than 400. NO. LPFP runs steady around 70-72 psi at idle and dips down to low 50s (usually 54-55 psi) very briefly at WOT. Your suggestion is a downgrade on the N54 pump. 0L, BMW E93 N55 3. Datalogs. But don’t be discouraged, with knowledge and preventative care, this engine can offer thrilling performance and reliability. This Spool Performance Spool Performance N54 Stage 2 Bucketless LPFP (Mfg#SP-BM54FP-S2) fits BMW E82 N54 3. Normally when testing pumps I test the assembly, meaning the electrical pump itself in the bucket/assy as per the factory, with factory or upgraded venturi's etc. First, a little background. csv file in MHD / datalog to datazap. 95 $1,449. the same ISSUE still consists. Advanced Tuning You can calculate one WGDC base final value or paste a MHD log and draw a graph from it. 101 posts · Joined 2020 Add to quote; Only show this user #1 · Apr 11, 2022. 00 USD. 5v2 (Mfg#601-0177) fits BMW E82 1 M Coupe, BMW E82 128i, BMW E82 135i, BMW E88 128i, BMW E88 135i, BMW E90 325i, BMW E90 325xi, BMW E90 328i, BMW E90 328xi, BMW E90 330i, BMW E90 330xi, BMW E90 335d, BMW E90 335i, BMW E90 335xi, BMW E92 328i, BMW E92 328xi, BMW Spool Performance N54 Stage 3 Bucketless LPFP. your issue will be HPFP 99/100 times, not Login Register BMW Garage: BMW Meets: Register: Today's Posts I've got 33k miles on my N54. BMW E-Chassis Walbro Stage 2 Bucketless LPFP Upgrade for the N54 & N55 Currently they have mostly EcoBoost applications but also cite the N55 and the S55 and specifically, not N54. we will include data logs from our beta and pre-release units along with details on the car from which the log is presented for Helix that is scheduled for release. 00 If your current Low Pressure Fuel Pump (LPFP) is struggling to keep up, is old and tired, or you need an E85-compatible solution in an OEM pump assembly, this is the upgrade for you! Can a N54 run with 0 low side fuel pressure. Regular Price $ 763. I have done tons of these. with all the fueling parameters and a dyno sheet that and longevity data would help sell it Thought everyone would get it. <50PSI sustained LPFP (Low Pressure Fuel Pump) is not acceptable - The occasional dip below 50PSI is not usually a cause for concern, it’s a sustained pressure below 50PSI that is typically indicative of a failing Here is a quick reference to the JB4 N54 logging parameters and their general meaning as of ISO v31 firmware. MHD with JB4. Jan 9, 2018 1,213 596 0 Just North of Detroit Ride BMW 335is Aug 17, 2022 #3 135i n54, E87 N54 Aug 17, 2022 #5 Buy OSIAS New Aftermarket High Pressure Fuel Pump For Genuine BMW N53/N54/N55 Engine 135i 335i 335ix 535i 535i 535ix X5 X6 Z4 E70 E90 3. You need to log a Hi everyone, I have gone from a stock 135i (N54) low pressure fuel pump due to low psi (52-42psi) readings at idle and throughout RPM range (rail pressure would drop and cause limp mode), to a walbro 450 and have retained the bucket and Venturi to keep it close to stock as possible and hopefully food my low psi issue. Why is it that BMW used the fuel rail from the N53 on the 135i and 1M N54 cars which is a different part number from the fuel rail thats on all other N54 3, 5, 7 series, X6, and Z4 cars ? Logically since the 1M is rated the most powerful N54 car using the N53 fuel rail, would this be suggesting the N53 fuel rail part number has better flow ? This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. Looks decent. Complete Kit: Having startup issues with car after it sits overnight. Estimated time: 6hours* (highly recommended to let the car cool down overnight. The problem affects only twin-turbo based N54 engines which are found one 135i, 335i, and 535i models that came out in last 3-4 years. I'm running a Walbro 450 LPFP, and when I did a log a few weeks ago, the HPFP looked to be in great shape. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Anyone running the Helix HPFP Overdrive Google Search BPM4 Low Pressure Fuel Pump Controller EKP replacement. 95 Those familiar with the N54 understand the LPFP is typically the first limitation. This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. You can see Here is a data log showing the 0-1 psi from the LPFP. When it comes to N55 fueling, the HPFP is the first part of the fueling system to max out. just twist the pump to Here is my theory on how the HPFP works (based on my observations) and the two different reasons the pumps can fail. 0L, BMW E88 N54 3. So it seems to run fine. Or at least I've started the process. The gear chain drive off the I have a 2008 335i (N54). I bought the reman n54 hpfp. Still on original ekpm2. Log in. Horsepower Supported: Single Shot: 600WHP on Racegas ethanol blends below E50 525WHP on Ethanol blends above E50 Double Shot: 700WHP+ on Racegas ethanol blends below E50 (750 with 285 upgrade) 650WHP on Ethanol blends above E50 (700 with 285 upgrade) (If you need more power, we suggest the PFS "External series" that us This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. Representing e-biking in its simplest form, Tenways carves out a niche. / Do NOT add a Hobb's switch - $999. Current Applications: GM Ecotec 2. 1 X New E85 compatible Walbro 535pump (F90000295). The new Walbro 450 pump provides approximately 100% more flow than stock! Stock N54 Rotary HPFP have solenoidcontrol by DME PWM signal 2pins. Sale Sold Out. Thanks again '13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92)- Grey TI Automotive LPFP, DV+, Phoenix IC, FTP CP, High Flow Cat, M5 Mufflers, Custom Tuned By David Shoup. Unit Price / per . BMW E-Chassis Walbro Stage 2 LPFP Upgrade for the N54 & N55 Motors BMW E Why is it that BMW used the fuel rail from the N53 on the 135i and 1M N54 cars which is a different part number from the fuel rail thats on all other N54 3, 5, 7 series, X6, and Z4 cars ? Logically since the 1M is rated the most powerful N54 car using the N53 fuel rail, would this be suggesting the N53 fuel rail part number has better flow ? N54 Powered M5 Wagon: - M5 Driveshaft, M5 LSD, M5 Axles, M5 Brakes, M5 Rear Suspension - M5 Front End, M5 skirts, M5 Mirrors, M-Tech Rep Rear - KW V3, RD Sport Sways, UR Strut Braces, Forgestar F14 SDC - Manual Trans Swap, MFactory SMFW, Spec Stg 3+ Clutch, UUC SSK - EOS Port Injection Manifold, Fuel-It: Stg 2 LPFP +Lines +Ethanol Sensor Glad to see we'll have 4-7 DI only setups this year lol. 82AR/Other stuff652WHP F30 N55 XDrive EBII Appreciate 0 Quote 08-02-2020, 06:27 PM that is my new log with new lpfp sensor, think I’m running healthy enough to try a smaller E25-E30ish blend? NoGuru Captain Jan 9, 2018 1,213 596 0 Just North of Detroit Ride BMW 335is Aug 18, 2020 #7 If your on the stock N If you are making over 600whp this is the solution for you! This is the most powerful LPFP upgrade available and bypasses all the factory restrictions to maintain higher pressures and greater flows. And is becoming extremely frustrating. I'm honestly shocked it's taken this long, but hey at least its here. for routine maintenance and when doing a data log after just to see how everything was running I noticed that the LPFP is reading 0-1 psi under any circumstance (idle to WOT). F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Unlimited fuel supply, no more n54 hpfp or ecu limitations. I’ve went through 2 offbrand OEM pumps and now on a OEM VDO brand pump. Sign in or Home › BMW E-Chassis Dual Walbro Stage 4 LPFP Upgrade Kit for the N54 and N55 Motors. I have exhuast and catless dps. Data-logging is extremely helpful if you are getting this code. This log shows me first doing a pull at 22psi where it misfired and sent my car into limp, can you please check this one Steve to identify if it is still in fact the fuel that caused the misfire? The second curve in the log is a pull on 18psi, worked seamlessly. Our new Fuel-It! 650HP line of fuel system upgrades is designed How to Datalog 1. As we start tuning and pushing more power, we start seeing drops in the high pressure. Too many invalid login attempts, contact ECS Customer Support. N54. We take our already robust stage 2 design utilizing all its ground breaking features, and machine the compressor housing This Precision Raceworks Low-Pressure Bucketed Fuel Pump Kit - Stage 2. 0L, BMW E92 N55 3. When running 98RON through the motor at 17 psi, my rail pressure is above 1700, however after mixing in E30/E40 the rail pressure now tanks hard on 19psi. Rail pressure drops and matches the low-pressure fuel pump (85 psi). Cost: $850+ Stage 3 LPFP kits are venturing into the territory of extreme fueling demands. The new Walbro 450 pump provides approximately 100% more flow than stock and this assembly can be How to Datalog 1. Immediately noticed the car takes longer to Log in. Login Register User Name: Remember Me? Password : BMW Garage : BMW Meets Whiteline subframe bushings, Front/Rear M3 control arms, G-Plus FMIC, Stage 2 LPFP, Custom E40 tune by Justin (V8Bait), xHP stage 3 transmission flash, RB Two Turbos. Overall, how does the lpfp look like it’s doing with just the primary connected? Spool Helix HPFP overdrive system Spool Performance is really excited to introduce our latest product offering to the N54/early N55 community, the Helix overdrive unit. marvix Lurker. Just a brief video of N54/N55 HPFP failure symptoms along with a rough bit of inst Upgrading lpfp n54 With the ultimate goal of having a track day 700hp single turbo and a daily with 550hp, upgrading to a fuel it stage 3 is the plan. 74 Quick Connect - 12. Check out BMW Z4 35i (E89) Walbro Stage 2 LPFP This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. See log below. Search. Location: Fairmont, WV. the car feels faster, but the lpfp can also cause this and i dont know if its coincidence but now i veryvery rarely, i still BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > LPFP upgrade worth it? Google Search Search Forums N54 DI fuel injectors are flaky at besteven Index 12’s seem to go bad. I know I need 2 rear o2s because I keep getting a faults for o2 after cat signal. As these cars get older and less expensive we’re seeing more issues with the stock components and more demand for cost-conscious fueling solutions. 34 Pump Y-Adapter & Fitting - 85. Cost of the injectors is ridiculous / availability on a long term basis looks suspect IF you can get similar (maybe better) performance then it’s an option Maybe you can get more headroom with a choice of injectors. LPFP 1 LPFP (1 product) Fuel Lines 2 Fuel Lines (2 products) Port Injection 5 Port Injection (5 products) Made a post before this about the issue, so with a 5 month old FPR, brand new LPFP from fcp euro, new HPFP from fcp euro, non leaky injectors, new injector seals, 6 month old lpfp sensor, and now I swapped my ekpm2 out for a ekpm3 and coded it. This item fits the following BMWs: 2008-3/2012 E82 BMW 135i 1M Coupe 2006-2011 E90 BMW 335i 335xi 335i xDrive - Sedan The N54/early n55 high-pressure pump is a very capable and over-engineered piece of hardware. They provide approximately 50% more flow when combined with your stock pump and can be purchased with or without the Walbro GSL392 pump. This is a complete plug and play solution to replace your stock Low Pressure Fuel Pump (LPFP) with a new E85 certified bucketless assembly. Forums. Might be someone had a similar During WOT logs it goes up and I'm reaching the 70--80 psi range and meeting fueling AFR targets of 12. However, when tuning for higher power, many encounter drops in high-pressure fuel delivery. Mash the pedal, shift at 6000 and hold at 2-3s after the shift into 4 4. Both low and high-pressure fuel pumps can only flow so much fuel, limiting power potential regardless of turbo size or other power adders, especially when running an ethanol blend. Subtotal $0. The stock B58 pump is DONE on pump gas by 450WHP. Reminds me of HPFPupgrade . to many choke points everywhere else unless you change everything and both hpfp inlets are still limiting your flow. Login Register User Name: Remember Me? Password : BMW Garage: BMW Meets Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > N54 low pressure from LPFP Thread Tools: Search this Thread 01-11-2024, 04:31 AM I recently replaced my low pressure fuel pump N54 having LPFP spikes over 110psi! 2007 335i e92 Fuel-it stage 3 LPFP 550 cc PI AIC2 Motiv- FF sensor Running e85 In the process of tuning my car, noticed the LPFP pressure was all over the place, dropping below 40 and spikes over 100psi, so I N54 WGDC calculation. This occurs because the HPFP cannot pump fuel as quickly as the injectors consume it, causing rail pressure to drop. New media New comments. The new HPFP part number is said to end in 943. Sign in or Create an Account. iTrader: You do not buy any means need to remove the manifold. Slow down, stop the monitor. This new line of Low-Pressure Fuel Pump (LPFP) upgrades utilizes the stock pump assembly to meet everyday driving needs but when the boost kicks in, the Fuel-It! 650HP secondary pump kicks on to support those high boost fueling needs. Join Date: Sep 2016. Clamps - 5. Instead helix or other aftermarket solutions. 0L, BMW E90 N55 3. Upgrading lpfp n54 With the ultimate goal of having a track day 700hp single turbo and a daily with 550hp, upgrading to a fuel it stage 3 is the plan. Just disconnect the fuel lines and the 1 torx on block for high pressure feed line. Description Additional information Fitment Reviews (0) If you can turn a wrench, you'll be able to replace the High Pressure Fuel Pump or HPFP on your BMW N54 with ease! It was honestly one of the easiest parts t Upgrade your N54's fuel system to the next level with the Walbro 535 Low-Pressure Fuel Pump (LPFP)! 1 X Walbro filter. The Blue line is the HPFP Pressure Requested, Pink is the actual HPFP pressure and Yellow is the boost. Hey guys, My hpfp is dropping in pressure to ~1500psi under WOT, and then recovers to 2500psi and dips again. Garage. Nov 5, 2016 615 625 0 Bay Area. 6K views 13 replies 4 participants last post by intillect Apr 12, 2022. Primed the pump with ProTools before starting. Login Register BMW Garage: BMW Meets: Register: Today's Posts (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications: HPFP vs. My N54 is stuttering above 3000 rpm. I added 40% duty to the port injectors on the reflex to compensate but the STFTs max out at 34%. Disclaimer: you do this at your own risk. All warranties, product application, fitment, and performance are the responsibility of Turner My lpfp psi drops from the high 60s to the low 30s under WOT. $1,449. Thread starter keithkk1000; Start date May 2, 2024; Forums. Distress Call: Save my N54. This solution provides up to 25% more flow than our standard Stage 2 LPFP upgrade and up to 150% more flow than the stock pump. 5 Lpfp (Low Pressure Fuel Pump) (Walbro 535) 650WHP (#363473055659) s***u (68) - Feedback left by buyer. Log and Play Back various vehicle parameters that include DME commanded duty, actual pump duty and RPM. Under boost low pressure is going up and down too much. In general you want to log your short term fuel trims (STFTs) on both banks as well as long term fuel trims (LTFTs) on both banks and ensure that they're not being maxed in either direction. intillect Discussion starter. Also, your rail pressure dropping in the first log seems normal, I think it tries to target somewhere around 700 PSI at idle. Trade-in: Hey guys! So the HPFP decided to call it quits and made me order a new one. 0L *The above product applications have been written by Turner Motorsport. Select "Don't group logs" in the app under the logs tab > Log Recently bought an MHD, done some logging and noticed low fuel pressure issue. 0L: Electric Fuel Pumps - Amazon. Only cost me about $450. During WOT logs it E6X Team, I've been asked by a few persistent guys when I'm going to stop goofing off and spending my time chasing the wife around, and come up with a solution for those of you who want some more fuel for your N54 powered 5 series without spending a ton of cash. Usually the stuttering goes away after dropping back down under 3000 rpm. Or at least Now upgraded to include the float sensor and pump pre-filter -everything except the pump! This series is for the mechanically inclined who want to provide their own pump(s) and handle their own LPFP build while not skimping on quality. Press the Monitor (auto log) button 2. Everything else is stock. 10. I’m attaching the data log. 00 Dual Walbro 450 Pumps / No return fitting installed. Jump to Latest 5. me (Autologging saves to SD card > MHD fl The below N54 datazap log shows a healthy stock LPFP running ~40% E85. I A sub dedicated to the E9X and F3X 335i. The new Walbro 450 pump provides approximately 100% more flow than stock! This log shows me first doing a pull at 22psi where it misfired and sent my car into limp, can you please check this one Steve to identify if it is still in fact the fuel that caused the misfire? The second curve in the log is a pull on 18psi, worked seamlessly. Engine. Check out to product information Open media 1 in modal Open media 2 in modal 1 / of 2. My failing pump was ~74psi compa Is it better to buy oem hpfp or is there an upgrade i can do or some sort? did a log recently and the rail pressure dropped below 500 and ive been noticing the psi dropping near 500 constantly while doing a pull so ima switch it out but wanted to know if theres anything better on the market? Running Fuel-It LPFP Stage 2 on 93 Octane for the last 6 months (no more E85 in Philly - sad). Wavetrac LSD BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Lpfp upgrade worth or not? Google Search Search Forums About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Installed a stage 2 LPFP last night. It’s one of the bigger flaws with the N55, in our opinion. Stabilize around 2500 rpm in 3rd gear with DTC fully off 3. Would dual walbro 450s be adequate for hitting that range or would it be best to do a 450 primary and a 525 secondary? We are proud to introduce the latest in our line of N54 turbocharger products the VTT Stage 2+ hybrid turbochargers. 00 Dual Walbro 450 Pumps / Install a return line fitting (+ $25) / Do NOT add a Hobb's switch - $1,024. N55 vac pump / fuel pump housing also have cam possition sensor i question i can just leave it not connected. While BMW’s N54 turbocharged inline-six engine is a legend for its power and tuning potential, it does have some well-known Achilles’ heels. Then The N54 rotary pump far outflows any of those cam style pumps. Log in Cart. The other map it happens. Thread starter norbeger; Start date Jan 27, 2021; Forums. We have great torque-sensing bikes with a sporty profile and enough grunt for steep hills despite their single gear. Helix N54 135 (E8X) and 335 (E9X) Stage 1 LPFP Upgrade ($199), Stage 2 Bucketless LPFP Upgrade with Walbro 450 ($399), Stage 2 Bucketless LPFP Upgrade with Walbro 525 ($474. Login Recover Password Cancel Recovery Add to Wish List. BMS Dual Intake $139. 0L High Pressure Fuel Pumps Performance; Sort By. Bimmerpost ☰ Model Selection. During WOT logs it goes up and I'm reaching the 70--80 psi range and meeting fueling AFR targets of 12. MPN: High Pressure Fuel Pump Replace for BMW OE Part Number 13517616446, 13517616170, Enhance your BMW N54 twin-turbo engine with high-performance upgrades, ignition kits, and aftermarket mods for improved power, reliability, and tuning flexibility. All pump options below include Genuine Walbro 450 (F90000274), Walbro 525 (F90000285), or Walbro 535 (F90000295) fuel pump(s) capable of flowing up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. Resources. BMW E-Chassis Walbro Stage 2 LPFP Upgrade (N54/N55) $ 549. BMW N54 common problems can strike fear into the heart of Bimmer enthusiasts. I've compared this data log to a previous one from a few months ago to verify that my LPFP was making pressure then Hey guys, thought I'd post a couple of the findings so far. Best Sellers. Im thinking about adding another 10% to the duty cycle until the STFTs stabilize. With that being said I just started using mhd about 3 days ago and I'm trying to learn the log reading as well. BMW E-Chassis Dual Walbro Stage 4 LPFP Upgrade Kit for the N54 and N55 Motors. 94 Bucket - 51. JB4 N54 G5 with Optional BlueTooth Connect N54 2007-2010 ER Charge My lpfp psi drops from the high 60s to the low 30s under WOT. 5. If your current Low Pressure Fuel Pump (LPFP) is struggling to keep up, is old and tired, or you need an E85-compatible solution in an OEM pump assembly, this is the upgrade for you! BMW E-Chassis Walbro Stage 2 LPFP Upgrade (N54/N55) quantity. I replaced my plugs and coils this weekend for routine maintenance and when doing a data log after just to see how everything N54 having LPFP spikes over 110psi! 2007 335i e92 Fuel-it stage 3 LPFP 550 cc PI AIC2 Motiv- FF sensor Running e85 In the process of tuning my car Log in. 99 Regular Price. Does the imminent appearance of the N55 mean that BMW have quit on the N54 twin-turbo engine and redesigning the HPFP to meet the needs of current owners? Is the 10-year HPFP warranty a business decision to forego resolving the pump issue for N54 models, affording the most economic solution over re-engineering a component of an engine that will If you are making over 600whp and your LPFP pressures are dropping, this is the solution for you! This is the most powerful LPFP upgrade available and it still utilizes the OEM stock bucket and retains all the factory venturi's and fuel transfer systems in the tank while bypassing all the factory restrictions to maintain higher pressures and greater flows. 3. Register. 0L, BMW E93 N54 3. 0L BMW E93 335is N54 3. Tony@VargasTurboTech Lieutenant. As shown by the pink line up top, this OEM N54 LPFP remains in the ballpark of 60-70 throughout the entire pull. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions apply. HPFP Pressures - N54 . as you described, when it cools back down you are able to start the car again. Add to cart. Login / Register. One value calculation cells: B26, B27 (final: E27 and B68, sub calculations: B28, B33, B34, B55, B64) log your lpfp and hpfp with mhd upon start up that will tell you whats going on with it kingofvirgo83 • What he said do a log if the hpfp is dipping under 1500 for the rail pressure or if it's falling off at wot dropping to under 1k it's a issue Reply reply N54 HPFP Rebuild- DIY- The car is a N54 335i, TD03-15T turbo, PR Stage 2 LPFP. All PFS Bucketed DIY N54 3. The N54/early N55 high-pressure pump is a very capable and over-engineered piece of hardware. Why You Need the Helix The N54/early N55 HPFP is a robust, over-engineered component capable of supporting stock power levels. Shop; E-SERIES 135I AND 335I STAGE 2 BUCKETLESS LPFP UPGRADE $400. 0 on 93 octane / 22 psi. 0 0 items. We also welcome all 435i related content. Supplying fuel to the HPFP is the issue. 00 $95. N54 Stage 2 Bucketless LPFP. 2FCA/2FDA codes after Stage 2 LPFP install. When upgrading your turbos or increasing your BMW's power potential, it's important not to overlook your fuel pump. 98 Fuel Pumps - 215. 99 Sale Price $ 763. On N55 E series increasing the duty allows maxing a PS2 on E50 with no supplemental fueling. My plugs and coils are new with only around 8,000 miles on them. Upping the rpm or capacity of 1 or 2 hpfp is still limited by peizo injectors and I've just started logging on my stock 08 335i and this is a big help. Add: Choose a wish list to add product to: Or Create New Wish List named: Add Anecdotal. I have 2 maps. me/u My HPFP needed changing, here is my DIY. Please enter a search keyword. 0L, BMW E90 N54 3. N54 having LPFP spikes over 110psi! Thread starter alvinhobh; Start date May Installed a stage 2 LPFP last night. The combine exhaust backpressure on my setup seen in various locations inside each exhaust manifold are lower at the same given compressor boost level than on a typical ported and unported N54 head. The car doesn't seem to have any issues other than the lack of rail pressure at WOT on the log and cutting spark when it drops. Description Additional information Fitment Reviews (0) Description. ) not a single log, nothing. LPFP issues may also BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Normal lpfp psi readings Google Search Search Forums The rest of your log looks as if you were just driving around in traffic. This solution provides up to 300% more flow than stock and this assembly can be purchased E88 N54 Alpinweiss/Coral Red/Motiv HTA 3586r Tial . Keep in mind 20-21psi on my setup is not the same as 21psi on a ported or an unported N54 head. 00 Dual Walbro 450 Pumps / Install a return line fitting (+ $25) / Add a 15psi Hobb's Fuel-It N54/N55 650whp LPFP Upgrade Kit quantity. NUMBER OF DRIVEN PUMPS. F40Model Of course I cannot capture this happening in a log but this happens pretty regularly. also you do not need to loosen the feed line from the pump to the injectors. 00 $295. This system requires no modifications to your stock system, including the bucket, wiring, or stock plumbing so Note: BMW has become aware of a potential problem that could affect the durability of the high-pressure fuel pump of certain MY 2007/2008 BMW automobiles equipped with a 3. Appreciate 0 Quote 06-11-2017, 03:52 PM FYI - As of December 2009, an unconfirmed source from Bimmerfest says BMW has given another try to improve the high pressure fuel pump in the N54 engine. The new Walbro 450 pump provides more flow than stock one and this assembly can be purchased one of three ways to meet your needs. 95 $295. com FREE DELIVERY possible on eligible purchases Buy Here: Fuel-It N54 Stage 2 LPFP. Records. The Supra or TU pump is better, but the N54 rotary pump outflows it by a wide margin. Aug 17 The Precision Raceworks E9x / E8x LOW PRESSURE BUCKETED FUEL PUMPS are designed for customers looking to run all blends of E85. 3' E93 Bmw N54 Upgraded Stage 2. 00 Login Register User Name: Remember Me? Password : BMW Garage: BMW Meets: Register: Today's Posts: Search: BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Australia > What!!!! HPFP Upgrade for N54 On the N54 we have a single HPFP attached to the vacuum pump. Install was straightforward, a bit cumbersome for the e89 Here is the part break down list. No core charge! Too many invalid login attempts, contact ECS Customer Support. There are ways around it like port injection, but that’s not much cheaper. B58 pump also have 2 pins. 1; 2; Next. I know I need a fmic based on the iat and my lpfp dips below 50 to the high 40s 2 or 3 times when looking at the actual spread sheet. If you suspect that your HPFP is bad, log the HPFP pressure target along with the actual pressure (you are already logging this) and you can see if the delivered pressure is falling significantly short of what is being requested. Production Dates For Early N55 Models: E92 E93 335i/xi , F10 535i/xi, F12/F13 640i - Before 03/2012 F25 X3 35i, E70 X5 This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. New posts. 1. https Fuel It N54/55 E-Series Low Pressure Fuel Pump Upgrade Stage 2 (Mfg#FILPFPK2) fits BMW E82 N54 3. 95) Add Lockring Removal Tool? No removal tool, Yes, include removal tool ($25) Reviews There are no This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. Datalog N54 LOW FUEL PRESSURE. E61 N54 Jul 23, 2019 #1 Installed a stage 2 LPFP last night. Dual Walbro 450 Pumps / No return fitting installed. Ok ok, I'm on it. Note that while many of these parameters are also present in other JB4 Here is a log from when my HPFP was going bad. 99 Venturi Line - 15. after removing throttle body and prying off electrical junction. Went to the gas station. 0T I4, LTG (Cadillac ATS, CTS, Camaro LT, etc. The HPFP is running at 2000 psi so the LPFP pumps pressure is not very important. 0 liter engine. This solution provides up to 25% more flow than our standard Stage 2 LPFP upgrade and Infamous Rough Idle on Cold Start N54 335i Jump to Latest 15K views 15 replies 5 participants last post by PegCityN54 Jul 13, 2021 Login / Register. Is there a mechanical way you can measure the Now with these OD pumps from Spool currently being tested by us at Wedge Performance along with others we have partnered again with Jake and MHD to define the Welcome to the single turbo life! I took a quick look at your log and they were very short to get any real data. Get more out of your N54 Engine! To get started, simply log into your ECS Tuning account, I'm really interested in a log of this thing on a big turbo car. / Add a 15psi Hobb's switch (+ $40) - $1,039. Professional installation is encouraged. Reactions: Orion1two Anyone running a single Walbro 525 LPFP in their N54 335's? Bimmerpost ☰ Model Selection. Has progressed into almost stalling. No need to be sorry. LPFP explained LPFP = low pressure fuel pump HPFP = High pressure fuel pump Low>High>Fuel rail. This is a complete plug and play solution to replace your stock Low-Pressure Fuel Pump (LPFP) with a new E85 certified bucketless assembly. Helps folks if you post a log with all the standard parameters. My first old one was terrible and I admit it’s fixed a lot of the issue with new ones. 0L, BMW E88 N55 3. Also if i understand correctly it is able to log LPFP in Reflex+, the parameter which we were unable to log onb/E89. I got the Cylinder injection cutout code. The problem doesn't happen to every car of these models and it doesn't happen at a particular time / place / mileage. https://datazap. The solution for limp mode, hard starts, etc. easy peasy. Overall, how does the lpfp look like it’s doing with just the primary connected Product Details. Included with this kit: New BMW LPFP bucket that is upgraded w Product Details This is the updated high pressure fuel pump for BMW's with the N54 or N55 turbo engine. However I still sometimes can get a solid pull in but mostly it’ll dips This is a complete Low-Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. I'm curious if they're going to just have one of their current setups (which is two N55 pumps, correct?) modified to fit where the flange for our HPFP connects and somehow drive it that way too, or if they'll be going another route for driving it. 00 $395. Here is an old log(on old app of course): Now upgraded to include the float sensor and pump pre-filter -everything except the pump! This series is for the mechanically inclined who want to provide their own pump(s) and handle their own LPFP build while not skimping on quality. The info for Reflex is not so great. 0L BMW E93 335i N55 3. 0L, BMW E82 N55 3. Used for talking about tuning, sharing pictures, builds, advice and more. 978-388-7769 Live Chat. My tuner thinks its the HPFP and so do I but since I just installed the new LPFP I was wondering if there's anything I should check before I drop $1400CAD on a new HPFP. Appreciate 0 Quote HPFP should idle 700 and above LPFP 70 and above at IDLE _____ 2010 N54 E90 xdrive 6MT. Home. E81 / E82 / E87 I'll need to log to get the whole story but at this point I'm very happy with the purchase. Return to Top High Pressure Fuel Injection Pump - N54 N55. Thread starter Tuppidsay; Start date Dec 31, 2017 Can a N54 run with 0 low side fuel pressure. Its why we can get 650WHP on 100% E85 by just spinning it a little faster. use a 5 inch extended 5mm alan. Genuine BMW High Pressure Fuel Pump - N54 and Early N55 This is BMW's most current version of the HPFP. ENGINE MODEL. They do a good job supplying fuel at high pressures at stock power levels. My question is that, while everything is running as it is supposed to, there are a lot of times when I am driving that the HPFP drops as low as 600 on the rail pressure. BMW E-Chassis Dual Walbro Stage 3 LPFP Upgrade for N54 . Cart 0. Shop; About N54Tuning. There is NO information at this time as to when this pump will be released or used. This solution provides up to 300% more flow than stock and this assembly can be purchased one of three ways to The N54/early n55 high-pressure pump is a very capable and over-engineered piece of hardware. 00 – $ 649. The current part number as of 12/09 for the HPFP ends in 881. For sure replacement injectors will be a lot cheaper Each Fuel Pump is strictly test Again and again before Packing, Help to keep your Vehicle N54 N55 Engine running at Top performance. Menu. HPFP = High Pressure Fuel Pump. Jake Yamona defined the same tables for his N54 test car and did some testing, he found there was not as much additional capacity due to the higher stock duty cycle. Kept the fittings to hold the return lines. I'm seeing big drops in rail pressure. Cancel. 00. Its will be easy solution to fix old n54 hpfp nightmares. You'll see a wide range from 400-700 depending on various factors. HPFP upgrades aren’t cheap. the outlet on the tank hat is like 3/8. com **NEW** N54Tuning Loyalty Points; Terms & Conditions; Contact Us; Home; ER N54 Charge Pipe for Tial BOV $614. I picked up a brand new bosch pump Running Fuel-It LPFP Stage 2 on 93 Octane for the last 6 months (no more E85 in Philly - sad). In the log I posted the LPFP stays pretty evenly around 72 psi until the rail pressure The car is a N54 335i, TD03-15T turbo, PR Stage 2 LPFP, N20 TMAP. Then upload the . Here is a log of 17 PSI on 98 RON and a log of 19 PSI on E40, both taken before I replaced the O2 and HPFP. lnnneaeqdzqacmofgepqvmlqutdidwgnesdnkikmkrdjansihrel