- Log Check
- Wastegate not operating correctly??
- STFT maxed out / Lean codes / AFR almost hitting 20 / fuel pressure dipping….
- Electoral system malfunction
- Just flashed MHD Stage 2+ for the first time, how are my logs?
- No codes but still have low boost (Log check)
- Wastegate slop? (Is this normal?)
- JB4 N55 EWG harness connection install help request
- Inactive 30FF and O2 Sensor 2C7B
- Bmw e90 manual x drive wobble noise on deceleration
- Will a M235i engine fit in my 2013 bmw 335i pnuematic wastegate N55
- BMS Cowl Filters without removing cowl
- VRSF charge pipe leaking air at TB
- Fix Hole in FMIC Silicone Boot?
- 1M Flywheel (6 bolt) to 335 N55 (6 bolt)
- N55 Full Engine Gasket Kit??
- Easy and cheap Oil Catch Can
- MHD Tuned on E30 hesitation logs
- MHD Bricked DME???
- Meth Injection w/ MHD?
- What exhaust do you use for your N55?
- Can you swap an M-DCT or any DCT in a 2011 e92 n55???
- Serpentine belt started to shred
- Need Tuning Suggestions - Lightly modded 2011 335i N55
- Misfire at fast acceleration
- Need Help Possible Boost Leak!!
- N55 bms intake issues?
- 2011 335i knocking bad
- Turbo upgrade with stock down pipe?
- Half CEL on WOT (Logs Posted)
- Oil temps too high causing issues
- S55/M4 Flywheel for DCT
- Exhaust Help Needed
- Transmission Service Gone Wrong. Need Help Please.
- Need a recommendation for a rebuilt N55 near to Texas
- having issues with these 2 codes (P2418 and P1447) and I don't know if i have a wirin
- Muffler and Resonator Delete
- surging at low rpm under load
- e92 (316i) swap to n55+8hp
- 38a4 CODE? no IBS cable??
- Looking for OEM engine technical repair information
- MHD / Twisted OTS Map, Log Review - PID Issue?
- N54 damper on N55 engine
- Slight pitting on intake camshaft lobes - N55
- Car Won’t Start After Valve Cover Gasket Replacement
- e90 n55 2011 Stall 2BC0 2BF4 2C42 codes
- N55 335 Boost Leak
- N55 Engine Build/Replacement
- Pure Turbo BMW N55 PURE750 **NEW PRODUCT**
- High IAT, timings corrections and low boost after FMIC install
- exhaust/turbo
- Replace injectors or Port injection
- Should this be leaking?
- e90 n55 emissions - ready, but 3106
- 2012 335i n55 build
- fixed
- tuning
- Trans replacement?
- best repro for FBO??
- Stripped spark plug
- boost not on target
- Any MHD 2+ dyno graphs for an e90 n55
- What is this squeek?
- pure 500s turbos
- Loud whirr from engine at idle (video)
- pure750
- N55 98G0B going open loop
- 2BDE Shadow Code Solved
- NOOB with reading data logs on MHD
- NOOB to posting and MHD data logs
- Vacuum pump to vacuum reservoir hose clamp?
- Bigger single turbo using oem manifold.
- 2011 X3 N55 fuel issue
- upgrade ps2 to p750 worth it ??
- 2011 N55 Cold start and 1st gear oil pressure too high?
- 400whp with just bolt ons/exhaust?
- need assist
- Oil Leak Location Help
- ticking from automatic xdrive()
- oil leak
- Catless DP and MHD Regarding Emissions Question
- Cylinder 6 Misfire with oil on plugs and injector
- Sport mode/manual shifting not working
- Boost is dropping around mid-4k rpm
- Repair thread: 2010 E90 335 N55 - Low/No Compression Cyl 5
- Manual Transmission swap from GS6-45BZ to GS6-53BZ
- What is this part?
- fuel high pressure on enabling on injection
- MHD vs JB4?
- N55 Head removal in car
- N55 Plug Gap
- 2011 E90 335xi N55 Exhaust Recommendations
- Recommended trans fluid/gear oil?
- N55 oil pressure CAN signal wanted.
- What happened to the MHD e-chassis n55 thread?
- Boost Solenoid/ Pneumatic Valve ISSUE - Try to confirm
- Rod Bearing Question
- Disabling codes with MHD?
- Loud Knocking Sound
- HPS Cold Air Intake - does anyone use this?
- N55 Aftermarket Pistons
- 2011 335i misfire cylinder 6
- full e-85 need help please
- Loud Knocking Sound!!
- straight pipe n54(335i,e90) exhaust blueprint
- Help E92 2011 engine into a 2013 E92
- Replace aluminium bolts - mandatory or optional?
- N55 Preventative Maintenance Timeline
- FBO E30 n54 only targets 5 psi any ideas??
- n55 PWG small boost leak?
- WOT no change in speed or RPM?
- Mass Air Flow Sensor
- MHD Code Reading
- Another "Loud Engine Knock" post
- MHD Flash back to stock
- Idler pulley misalignment - Need Help
- Log from Track Day
- Have I over stretched my head bolts?
- Engine died, no codes
- 335xi muffler or cat-back exhaust upgrade options
- fuel pressure, dead car?
- Cars suddenly has tons of codes
- Oxygen sensor alternatives
- fuel injector issues
- E90 335i N55 ISTA+ Injector coding not available
- N55 rebuild - low compression - bad cam timing?
- Rough road detection: No wheel RPM signal received
- Oil pressure codes - which sensor(s) on OFHG?
- Intermittent PCV Squeal
- Terrible Sound from Engine Bay - New Alternator?
- MAF Delete, messes with timing tables/different timing tables?
- Engine Start Error
- N55 big turbo build 900whp goal
- Car feeling slow in gear 2, boost not meeting target
- TUNING: Exhaust Vanos
- Rod Bearing Data Point, ~105K Miles
- Flash PPK via MHD n55 with MEVD1726 (9E60B) DME.
- Name this intercooler
- take a look on my log
- MHD Stage 2+ 93 Log - RPM Jump When Shifting
- Help! 2C90 - Should I be concerned?
- what's that sound???
- P112E and P0171 codes n55 335i e92 2012
- N55 HPFP Help
- E90 N55 Crank no start
- Bomiz Exhaust Vs. Turner Exhaust
- E92 N55 Code: 2A61
- MPPK - Code Out Burbles
- NGK or Delphi Coils?
- Best Chargepipe?
- N55 DSC light show followed by limp mode
- won't start up
- Insane rough Idle atfer MHD stock power flash
- Vanos camshaft bolts
- BMW E90 335i Xdrive 8HP45 swap
- Moaning noise at around 1K RPM?
- Info on ATM Speedshop Exhaust
- N55 build guide e92 help
- MHD Stage 1 Log Review
- N55 oil pressure sensor conversion table
- N55 335is clutch kit part numbers
- Power Cut from underheating?
- New genuine expansion tank defective.
- E92 N55 not hitting target boost
- N55 humming after replacing Valve Cover
- VRSF V Band Clamp vs OEM V Band Clamp??
- VRSF 5inch Intercooler Bolts
- Valvetronic noise
- possible mhd stage 1+ over boost
- Rattling from under car on cold start ?
- E90 335i misfires no codes
- N55 EU5 Injector
- N55 issues stage 1 plus
- 08 335xi manual into 12 335xi Auto?
- OEM Downpipe bolt size
- MHD stage 2+ data log - advice requestd
- Name that engine noise!: Customer provided videos
- Exhaust setups
- Help! Leak on air pipe - Problem or not?
- Noise - do they all do it?
- Testing MSD80
- n55 turbo/bov upgrade
- MHD 2+ log help
- E93 N55 Fuel Rail pressure sensor fail
- MHD Stage 1 on N55 with PWG
- Best SSK for a GS6-53BZ Swap?
- Pure Turbos stg2 (similar): Help with AFR in base map
- N55 boost control options/ external wastegate
- Sludge in catch can + lots of oil
- Baselining new 335 purchase
- e90 335xi misfires no immediate codes
- N55 coolant overflow problem at standstill
- F80 S55 6MT 45BZ swap into E90 N55
- Waterpump constantly runs with ignition on?
- Valvetronic problem solved by MHD??
- Correct Turbo Diverter Valve Replacement Part
- 2DCE & 2EOF - Car Clicks Once upon ignition on
- MHD burbles not working N55
- N55 Vacuum leak
- PPK Questions 2012 e93
- Need help with N55 Variation Identification
- E92 N54 Not hitting boost target
- 2E0F and 2DD0 codes
- Waste gate rattle & little to no boost on 2011 E90 335i N55 6MT
- OIL Starvation E90 335i N55
- Combustion Misfire/ Damaging Exhaust gas on Cyl 4
- 335xi big boost leak at rear of engine??
- Lean codes after battery death & replacement N55
- N55 low vacuum at idle
- DME HELP
- Condition of hoses
- MT rev drop & hunting at idle (<500rpm)
- Does upgrading the intercooler on your n55 need a tune?
- Changed spark plugs now car runs bad n55 help
- Help
- Gfb 3 wgdc problems
- Should smoke come from here?
- Dropping engine/trans as a unit 2011 335 xDrive
- n55 exhaust gasket size
- Adding jb4 puts it in limp mode
- Will this help with performance ? E90 335i N55
- 335i Build
- n55 Misfires & Valvetronic Codes after replacement
- N55 2BDE limp mode
- Vrsf turbo inlet
- Turbo sound increase
- Timing corrections and low boost MHD S2+
- Turner coolant reservoir relocation kit fitment issues
- How can I creat a custom tune for a larger tubro on a n55b30
- Software Update Removed MPPK
- MPPK Removed after Software Update
- Boost issue? help me
- E85 blend questions
- Grey smoke coming out of exhaust
- N55 upshifts, RPM goes down then up 200rpm suddenly after XHP Stage 3
- N55 oscilation/stuttering/surging
- Injector/Pump Upgrade Options