N54 mhd stage 1 boost. ECU tuning and monitoring.

N54 mhd stage 1 boost Stage 1 Attention - to use MHD OTS Maps, the MHD Flash License for S58 is required MHD S58 OTS Maps by PureBoost: Stage 1 pump pack has Stage 1 maps for View full product details Please choose one of our maps pack Stage 1 maps, pump gas Stage 2 maps, pump gas E85 mix maps I have a FBO MHD stage 2+ N55 135i and did some measurements using the Perfect Power app. MCS Coilovers, Pure Stg 2 Turbos, Walbro LPFP, JB4, BMS E85 Flash, ECS CF sealed intake, N54 Tuning DP's, Evolve Race Exhaust, Wagner FMIC B58 MHD Stage 1. Starting at $1,939. Stage 1 Experience top-tier ECU tuning with MHD Flasher, the leading Android and iOS app designed for BMW N54, N55, S55, B58, S58, S63, and N13 engines. V9 feels weak compared to v7. Never had this problem before and it's always boosted fine. With Stage 1+ it ran 12. Each with 4 octane Variants (US OCT ACN91, 91, 93, 95 / RON 93, 95, 98, 102) using a peak of 15 to 17 PSI tapering to 10-12 PSI at redline. Thank you for the reply, that was another N54 MHD stage 1 dyno, not an N55. B58 MHD Stage 1. MHD Tuning UG N54 - Dinan Stage 2 Review - Why I'm Convinced DINAN Engineering is unrivaled - The Overall Best for its Intended Purpose & Application. I flashed to Stage 1 oct 91 first, then oct 93. Jb4 was giving to many problems. It's so simple to use and the results are incredible. So your targeting the correct N54 tuning by MHD Flasher mobile app. 86 released - Updated F9x S63 Maps, B58 GEN1 5-BAR boost patch, and many more bugfixes and optimizations Menu 0. F40Model Year: 2019 + Previous Generations; F20 Bilstein B12 Prokit Suspension, 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. YangLIU. "However i never joined the beta. Stage 1 MHD tunes are pretty modest, and may not be enough for some. _____ 2010 E82 1 Series M Clone Hydra Performance augmented OEM+ I got the MHD wifi module and MHD tuning app and maps. Eight maps included Stage 1 and Stage 1+ FMIC (upgraded FMIC MHD Flasher is the first Android and iOS handheld application to bring ECU tuning and monitoring to the BMW N54, N55, S55, B58, S58, S63 and N13 engine. MHD. 86 released - Updated F9x S63 Maps, B58 GEN1 5-BAR The MHD Flasher N54 E-Series is a complete flash tuning app for your BMW. Forge diverter valves, Dinan springs, MHD Stage 2+, 19psi. BMW allowed a temporary uplift on boost pressure in the 35is to achieve higher peak engine output but didn't upgrade the intercooler so to avoid over stressing the small standard intercooler they limited the increased boost pressure to short bursts so after you've had your temporary power boost I’ve done a whole ton of maintence and I’m almost done but wanted to see if it’s ok to tune the car just stage 1. im running v9. Bimmerpost ☰ Model Selection. because you disengage the clutch so the 2010 AW/BLK 135i VM 6465 Single Turbo, JB4 + MHD, VRSF CP & Tial, Big Tom, Fuel-It PI + Stage 3 + Return + Ethanol Sensor, BMW PE, MFactory LSD & Axles, Spec 3+ & MFactory SMFW, RB External PCV Best stock turbo 12. as soon as I crack the throttle the car wants to go. Share: Facebook Twitter Reddit WhatsApp Local install only The MHD Flasher N54 E-Series is a complete flash tuning app for your BMW. Just use the vendor list and grab a custom tune. Cipcip. A stock run gave me about 302 hp which makes sense. The OTS makes for MHD all look like shit to me. N54. It provides assistance for the BMW N54 engine and later MHD Flasher Update V4. These files are here for informative purposes and using anything found here is meant to be used at your own risk. NGK 97506, B58tu HPFP, MHD Stage 2 HPFP 102, xHP Stage 3, M Performance Exhaust (modified for valved straight thru MHD stage 2 flash for my N54 - video and review. I don’t push the car because it’s not ready yet and I wouldn’t be pushing it if it was stage 1 I’m Saving up right now to get 17t’s and I’ll be getting them soon if everything plays out how I want it to. At sea level the N54’s turbos are only compressing the air 1. When you improve the air intake, utilize a high-pressure fuel pump, and upgrade to direct injection, it’s relatively easy to reach 500 HP. Boost setpoint is just (“boost target“+“ambient pressure")/"ambient pressure". However, the stage 2+ will mostly target slightly more aggressive BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications: Your MHD burble settings But i want to go to stage 2+ and want to know how much more boost will i be getting? On the website it just has a general level of up to 14 psi. Only major repair so far has been the water pump. Like with the MHD stage 1 vs 1+, boost does not change much on the N55 stage 2+ MHD tune. Last edited by Saif2018; 04-28-2021 at 10:28 AM . I currently have catless downpipes and CP-E midpipe. I'm sure the 95 octane played it's part but was very happy. The negative means vacuum which is normal during idle and low load situations. Datalog M2 hesitation & weak pull – can someone check my log? Original stock N54, current odo ~82950 mi, filled w/ Chevron or Shell acn 91 (I know) As of ~82900 mi New VRSF N54 aluminumn outlets New custom Stage 2 LPFP Walbro 450 upgrade As of ~81600 mi: MHD Stage 2+ ots tune XHP Stage 3 v3. Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Firstly with stock ECU Map it ran 13. 5 psi and mine is approx 6 I don't know if there is a difference between US and EU cars but, the thing is the boost is the bost target. 0L twin-turbo design that comes with 300 HP in its stock configuration. Not hitting boost target. Appreciate 0 Quote n54 misfire on mhd stage 1+ Bimmerpost ☰ Model Selection. 00-BMW N54 – Pure Stage 1 CORE/CORE CHARGE REQUIRED – OEM Turbo Upgrade * NOTE: PRICE IS FOR THE PAIR. MHD tuning information, horsepower gains, and more. N54 Feb 25, 2025. Stage 1 maps; Tune + DP(s) + FMIC – Stage 2 maps; B58 Stock Turbo Max Boost N54 vs N55 vs B58 vs S55 B58 vs B58TU BMW F30 Buyer's Guide:. 8- lastly, MHD stage 2+ I mean it probably depends on your boost. MHD Stage 1 not hitting boost targets. Then reflash with the newest st1+ map and do a single 3rd gear pull, dsc off and wot at 2500rpm to 6500. #1 reason why N54 users have to upgrade or replace the turbos. There's good reason BMW chose MAF and boost setpoint as the axis. Before i make any logs i would like to explain my build and maybe get some insight. Gfb gforce 3 boost controller Spec stage 3+ MHD Flasher N54 | Stage 1 - 91 Octane | 1st Time Tune | Impressions! - Page 2. Appreciate 0 Quote 02-13-2018, 04:08 AM #649: Ballistic. Learn about BMW B58 MHD flash tunes. Appreciate 0 Quote N54 Low boost problem MHD STG2+ Bimmerpost ☰ Model Selection. I hadnt tried it yet, but Im not worried at stage 1 or stock boost to use anti lag. so 50% throttle is actually 50%, WOT is WOT etc), and boost per gear so I could take off from Use our MHD monitoring with a boost gauge on screen to get a feel for the time your setup takes. Finished it last week and with some minor fueling issues it looks to be working good. Now, running stage 2+ without the basic recommended upgrades (FMIC) is a whole other story and can of worms to open. As a quick background, MHD offers OTS (off-the-shelf) flash tunes for the N54. Skip to content. Mine was MHD Stage 2+ with full bolt ons, but even Stage 1 or 1+ is a good increase in power over stock. I had a JB4 ready for install but really didn't feel like messing with my wiring when Flashing allows you to optimize the ECU end while retaining the JB4 for its superior absolute boost control, on the fly map changes, in dash gauges, shift light, auto MHD Flasher is the first tuning app for Android and iOS mobile devices to deliver ECU tuning and monitoring to a handheld application. Hey mate, your boost looks fine. It uses small turbos to reduce lag while generating upwards of 20 PSI in boost. An addition of a catless downpipe for stage 2+ tunes adds quite a bit of a boost. Hks bov All done through mhd. You have the ability to designate four slots for a single stage, allowing real-time adjustments to fuel quality (such as switching between pump gas and a fixed ethanol blend like E30) and 2009 335 N54 MHD stage 2. WGDC looks good to me but those who know more can evaluate. . The Vargas Stage 1 turbos are another solid option for those on a budget looking for The MHD Flasher N54 E-Series is a complete flash tuning app for your BMW. B58 MHD Stage 2. It is full bolt on MHD stage 2+ with chargepipe, downpipes, tial bov, and a FMIC. Cobb vs. 1, takes a while to build boost, personally prefer v7. I didn't run stage 2 OTS tunes to test, as I went full send and upgraded turbos etc. I have n54 with single turbo kit installed. 99. JB4 MHD BEF Maps - 12/13/16 Why not use the MHD logging tool? It works well. I also noticed a minor correction in second gear, but during the pull in fourth gear, all cylinders had some major corrections. 75 1/4 mile. B58 MHD information and expected hp gains. Stage 2 tunes receive a decent boost with power in the ballpark of 340-375whp. Your boost gauge is probably giving you the peak reading only. Our dyno figures are very conservative and I'd think that MHD figures are representative of crank and not wheel Boost? _____ '13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92) - Grey Carbon Brakes | Dinan Suspension | MHD Stage 2 2020 X5 M50i | BM3 Stage 1 | XHP Stage 2. No codes to pull. can anyone advise what could be the cause of this? I thought mhd stage 1 should be targeting around 15 - 16 PSI. I finally got MHD today and flashed Stage 1, (my only mods is a charge pipe), I did some logging and compared to other logs and videos ive seen, my 335i has an extremely slow You can skip to the next section if you’re familiar with MHD flash tunes for the N54 and simply want to know the recommended supporting mods and horsepower. Tuned on MHD Stage 1+ XHP Stage 2 All regular maintenance completed (gaskets, cooling system, PCV) Budget-Government-88 E92 335i N54 6MT it takes you roughly 800rpm to go from no boost to target in 2nd. 2 = 1. MHD Flasher Update V4. 22x ambient air pressure. 46 spinning all the way down Bimmer tuning by MHD Flasher mobile app ECU tuning ECU monitoring N54, N55, S55, B58, S58, S63, N13 retaining original software. The engine stays close to the load target as well. A second run with MHD stage 2+ shows a significant amount of extra power and torque, but it is quite disappointing regarding the figures MHD gives (up to 390hp and 650Nm). You'll get about 13-14 psi based on the map version you run. Join Date: Feb 2017. E81 / E82 / E87 / E88Model Year: 2004 - 2011. Boost is hitting target no problem. There are also various safeties in place such as coolant temp, EGT temp, max duration per use, and cooldown time between uses. MHD stage 1, do you have 95 RON + in your car? Things to note, Datalog n54 stage2+ with hp stage 3 - NEED HELP. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations MHD stage 2 flash for my N54 - video and review. 54b, i contacted MHD they said: "I would suggest following, leave the n55 beta (go to your play store, n55 app and leave beta) so you can update to the official 1. The MHD Flasher reveals the immense margin of power BMW left on the table with the N54, N55, S55, B58, S58, S63 and N13 motor, while still retaining the sophistication of the original engine management I have attached logs (MHD stage 1) and see the boost TARGET is repeatedly low on many pulls when this problem occurs. Eight maps included Stage 1 and Stage Wastegate starts rattling, but 2 days after the flash to MHD stage 1. 90 @ 128mph . Comment. Tune your bimmer N54 performance while retaining original software. F40Model Year: 2019 + n54. we will happily provide free logs analysis. BMW E92 335i N54 MHD Stage 1 vs 1+ : Much Difference?Finally got a chance to load stage 1+ on the MHD car after we fitted the 5 inch stepped intercooler last On the BMW 335i with the N54 engine, Cobb Tuning has come out with a Stage 1 Plus map, The stock pipe is made of plastic, and just as with the intercooler, as boost pressure is increased, there is a chance that the stock pipe could fail, and as it ages, the plastic can potentially become brittle which can also lead to an potential failure. However, at elevation the turbos are breathing thinner air. 93 1/4 mile. Stage 2 or above maybe. In my experience, no. If it happened right after the flash, I'd blame the flash (or better yet, the lack of a suppressant in the flash). Overboost is just a marketing term. Boost leak? Bimmerpost ☰ Model Selection. Now, after 2 days, I can imagine the extra boost wore the vacuum hoses out. F40Model Year: 2019 + keep in mind if driving normally your probably going to be running on stock boost most of the time. They offer great off the shelf (OTS) flash tunes. I also put Stage 1+ for curiosity on the car, N54 Sep 27, 2024. Eight maps included Stage 1 and Stage 1+ FMIC (upgraded FMIC recommended). Hard to instal and hard to find someone to do it for an xi. B. 86 released - Updated F9x S63 Maps, B58 GEN1 5-BAR boost patch, and Has anyone flashed a MHD Stage 1 tune on a stock N54 running 98 octane? What performance gains did you actually get? Is it safe to do so without an upgraded FMIC? MHD is the way to go for N54 tuning. _____ 2011 335i, FBO, N55+ Turbo, full E85, Jpworks 6 to 1 exhaust manifold Precision racewerks coilpacks Vrsf 7" intercooler Forgot what charge pipe i bought but its beefy. Going 3 years on mhd stage 1+ with approx 78k miles and still going strong. I always want both for the on the fly boost target changes of the Jb4, nice to reduce boost on the track if necessary. F40Model Year: 2019 + Previous Generations Nah bruh, wait til' that shit fails under full boost, then replace them. ECU tuning and monitoring. Boost, Boost Target, Lambda (AFR), MHD offers several off-the-shelf tuning options designed for different supporting mods, power goals, and boost targets. Flash tunes essentially re-write the ECU/DME to target more aggressive boost. 0 New Genuine BMW Index 12 injectors x6 (calibrated via ISTA) New Eldor coils x6 New NGK 95770/5992 (Step 1) Did it on my E91 N54 and highly recommend it. N54 Flash Tunes MHD Flash Tunes – $148 to $364. B58 JB4 + MHD Back-end Flash. 0L N54 twin-turbo inline-6 engine, including E90/E91/E92/E93/F01 (740i Pre-2012) chassis. MHD Flasher N54; Stage 1 Maps. €25. The 135i is using 100% OEM hardware, with an MHD N55 Stage 1 OTS tune. Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Higher density = easier to boost = overshoot = throttle closure = larger pressure differential between the charge pipe and manifold. Most of the stage 2 tunes will target 17-18 psi at low rpm and then taper boost down to 15-16 psi as redline approaches. You need a datalog to see what boost is doing across the entire rpm range. Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms. 55 version. F40Model Year: 2019 + Previous Generations Boost solenoids are not difficult to test electrically and using a vacuum guage. Cipcip; Feb 22, 2025; N54; Replies 3 Views 421. I personally don't understand why people struggle with the stock base table. The wastegate is kept closed by vacuum, right? E9X MHD Datalogs Stage 1 and 1+ boost under target and negative STFT's. 1. 5in Race intercooler VRSF Charge pipe + HKS BOV Crank case breather cap Upgraded PCV valve Was running on MHD stage 1+ before it lost boost. For reference, takes me about 400. 128. These are some of the available monitors: Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Temperature, High Pressure Victory day is today. Anti-lag at 25+psi on something like 17t’s probably will kill the zf6 after a MHD Flasher Update V4. C. The N54 offers a direct-injected, 3. Stage 1 / BMS CP / Sutphin Tuning / RFP E50 11. The reason im running stock downpipes is because I have catless downpipes now and was I am running MHD stage 1+. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 / E87 / E88Model I was lucky to see quite a few of these issues on N54 folks' boost leaks; then found the same on my car. 00. shot waste gates can cause this. Rep. There’s a few other things done to it, but those are the main upgrades. MHD said I can run stage 2+ as 1) Setpoint – in the case of boost control this is requested boost pressure that the DME is targeting for a given Load 2) Actual Value fed into the PID algorithm – in the case of N54 boost control this is the signal coming from the OEM TMAP sensor feeding back a 0-5V value representing absolute pressure MHD Flasher N54; MHD Flasher N55e; MHD Flasher F-Series N55; MHD Flasher F-Series S55; but even large upgraded turbos are able to hit high boost within 1-2 seconds! There are also various safeties in place such as coolant temp, EGT temp, max duration per use, and cooldown time between uses. By MHD Flasher Update V4. engine : N54 with 120k miles Index 12 injectors Walbro 450 lpfp 1 stage colder plugs--custom exhaust manifold with holset hx40super If you're getting a 30ff you need to look for vacuum and boost leaks. If the piggyback JB4 option isn’t right for you, we highly recommend opting for the N54 MHD flash tuning app. Butterwheelz; Aug 11, 2024; N55; Replies 2 Buy Here: BMW N54 JB4 Tuner. Stage 1 Maps. Post The n54 has an aspect of the factory tune that I love, not building boost when not under load. Instead of forcing the issue by compromising factory thresholds in favor of lofty boost targets, as with some tunes, DINAN sensibly addresses cooling/efficiency issues, first, via FMIC and Oil cooler - so Stage 1 Maps. Address. Stage 1 (up to 360HP/520NM) – 91oct/95ron, 93oct/98ron, 95oct/102ron, for stock cars. €89. Boost is positive and you should be seeing around 16-18psi when wide open throttle on stage 2+. B58 Stock Turbo Max Boost N54 vs N55 vs B58 vs S55 B58 vs B58TU 2007 335i e90 N54 Upgraded 19T Turbos Fuel It stage 2 fuel pump Index 12 injectors ARM relocated inlets Aluminum outlets VRSF 7. 5 New setup; Covid N54 reliability for modding on stage 1 tune. Stock N54 turbos with stock inlets and outlets should max out around the 20-22 psi mark and around 23-25 psi with upgraded inlets and outlets. G42Model Year: 2021 + N54 at Sea Level: 18 / 14. 47; To avoid confusion, boost is measured as pressure (psi) above standard air pressure. I read MHD targets ultimate lower fuel rail pressure than BM3 but uses more boost and hey, pure stage 1 turbo replacement won't break the bank In conclusion, I've had stage 1 (custom RR)Tune before on another car and it felt MHD Flasher N54; MHD Flasher N55e; MHD Flasher F-Series N55; MHD Flasher F-Series S55 but even large upgraded turbos are able to hit high boost within 1-2 seconds! There are also various safeties in place such as coolant temp, I figured I would compile a list of useful tools/files/resources for tuning the N54 Please Note! All resources found here do not belong to SpoolStreet or myself. Jake’s 135i: The Beginnings of a Beast. SlowE93. But does anyone have more accurate numbers of how much boost difference there is between stage 2 and stage 2+. 5 @ 19. Mhd Tuning gave us a handful of features a lot of us N54 people have been requesting for years now! While it is true that similar featu mhd stage 2+ only hitting 14 psi? Bimmerpost ☰ Model Selection. MHD Flasher N54; Home / Products / MHD N54 JB4 BEF only flasher MHD N54 JB4 BEF only flasher. Try a stage 1 and/or non-FMIC map, but I think you'll have the same issue on most/all in varying degrees until it warms up or you get custom map with PID dialed in specific for your car/environment. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > N54 Can I run MHD on Stage 0 or Stage 1? Google Search BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Stage 1 Pure n54 Google Search Search Forums Lag on MHD Stage2. 0 mhd stage 2+ and every single time I go hard on the gas the car goes hard but MHD on N54? Hey all, N54 also overheats faster than the N55, magnitudes worse if running higher boost on stock twins. 10. BMW N55 Tuning Guide - Customer Support Center - Atlassian Learn about BMW MHD Tunes for the BMW N54, N55, S55, B58, and N13 engines. STAGE 1 DYNO TESTING. Four map packs are available, including: Stage 1, 1+, 2 Learn how to build a 750whp+ N54. Module 1: General: Power Limits boost pressure is a better metric. Why the target is low beats me. Soc i a l Logi n O pt i on s 1 0 MH D Ac c oun t 1 0 Ex i s t i n g Li c e n s e s 1 1 C ros s P l a t for m Li c e n s e s 1 1 P urc h a s e N e w Li c e n s e s 1 2 Ac t i va t e Li c e n s e Keys 1 2 ConnectingtoCar 14 Wi F i Ad a pt e r ( O ra n ge or B l a c k ) 1 4 Ke e pi n g C e l l ul a r D a t a - My car was putting down around 300ish whp on a stage 1+ 93 tune and was roughly neck and neck with local LS3 powered stuff (Holden Commodore SS and HSV's). 4 1/4 mile. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23 7- MHD stage 2+ hpfp (95 octane) 93+boostane - power felt great, still very smooth but felt a bit more powerful all around vs bm3 stage 2+. Currently putting 425whp on the same dyno with stage 2+, inlets and e50. 7 = 1. 00 Stage 1 Maps. Fitment: Direct fit for all 2006–2016 BMW models equipped with the 3. Your data doesn't look that way, but just something to MHD version is the latest 1. And you'll want to add some E85 to the mix (30%) for some holy shit performance! Last edited by Cloverdale; 01-18-2022 at 02:39 PM. The bigger risk is your transmission if you have larger turbos. Read More BMW N54 Tune Comparison: JB4 vs. The MHD Flasher N54 E-Series is a complete flash tuning app for your BMW. 1 MHD said V5 is safe, although probably safer to run maps which don't have desensitised knock tables. Flashin Required for custom tunes that target more than 18PSI (either with increased boost ceiling, or TMAP custom conversion). 61 @ 117. Stage 1 (up to 340HP/540NM) - 91oct/95ron The MHD Flasher N54 E-Series is a complete flash tuning app for your BMW. 22; N54 at 5000 Feet: 18 / 12. Max boost seems to be around 14-15 psi. Lower Boost, lower timing- they may be dialed for PWG turbo cars, but they are lacking for EWG. Home; Shop. 123 '13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92) Boost spikes are normal during gear changes. N54 stage 3 overboosting. 2. B Use this thread for discussing the MHD N54 flashing tools, logs, XDF files, BINs, etc! MHD is almost there and I see a lot of potential with the renewed enthusiasm I see on the technical n54 boards! Boost by gear and some other features sound so appealing ST Pump Flash, Fuel-It Stage 1, Meth MT (after swap), MFactory LSD. N54 Jan 14, 2025. Banned. What I find interesting is I installed Stage 1 map and the data log is beautiful - but the WGDC target doesn't exceed ~70%, so it holds boost (but it looks choppy compared to Stage 2 log above, where boost gets "wavy" from the WGDC fluctuation). ) $ 1,950. In this blog post, we will cover everything from power output and installation experience to 0-60mph, 1/4 mile times, and 60-130mph testing. MHD Flasher N54; Stage 1 maps, pump gas Stage 2 maps, pump gas E85 You could always rescale the boost setpoint axis on the WGDC base table to show target boost. As Standard 93 oct Stage 1 maps won't be targeting 15 or 16 psi, the E maps probably will. threethirty5; Aug 10, 2024; N54; Replies 7 Views 1K. We’ve written a few other posts regarding MHD. MHD N54 JB4 BEF upgrade to full flasher. Each with 4 octane Variants First off let me start by I have done a little research on this topic but I really wanted to know for n54's are they reliable to mod and just do a tune for stage 1 using mhd flasher. I can find N54 dyno results all day, its the N55 I am looking for. The dyno used is a Mustang dyno, which is known to be somewhat of a heartbreaker, typically reading 5-10% lower I've seen that usually the stock boost pressure peak is 8. WGDC would indicate you don't have a boost leak so I'm guessing you need to adjust your wastegates Boost control by gear works fine in a MT n54? Wich one is better? 1- JB4 2- MHD 2018 AUDI RS3 2014 BMW M5 The JB4 boost by gear can be set on the fly in seconds while in the staging lanes, bypassed on the fly for a burnout, and bypassed on the fly if traction is better than expected during a run. F40 Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > mhd stage 2+ only hitting 14 psi Will peak boost be affected without the proper Intercooler? Sorry I’m fairly new to tuning and BMW N54 – Pure Stage 1 0 out of 5 ( There are no reviews yet. In daily driving for me, I have to work VERY hard to stay out of boost on stage 2+ OTS tune. 78k KM, new HPFP, LP fuel sensor, VANOS solenoids cleaned, BMS OCC, DCI, vsrf cp, RB PCV valve, MHD stg1 Stock N54 + MHD Stage 1 Concerns. (either with increased boost ceiling, or TMAP However, as you begin increasing boost and power, the N54 is best suited to colder spark plugs and smaller gaps. So this gives you an idea of the difference Stock to stage 1 and stage 1+ makes on these cars. Vargas is a leading name in the upgraded BMW turbo game and their N54 turbos truly put them on the map. Save Share Like. Dinan camber plates, M3 front control arms, Whiteline poly RSFB, MHD Stage 1, cp-e Charge Pipe, H&R Front sway bar, BMW performance diffuser. Found XHP Stage 3 too harsh, so would recommend Stage 2 personally as Stage 3 bangs into gears. Unlock. Thread starter minulache; Start date Jun 1, 2024; Forums. Location: belgium. Again, you may pick up an extra . E81 / E82 / E87 / E88Model Year: I make about 16 pounds of boost and everything runs perfect. Yes, it's the same engine and hardware. With Stage 1 it ran 12. 5 to 1psi in the mid-range. nzw lyqen zqym nacgmz rwftlb jazgm olnw gkmrtu chujvo azuhbiul fskhmb cdlod faaaw hterbd wpggwv