- e90 335ix VRSF downpipe fitment?
- Mixture control codes in cold weather on ethanol fuel mixes?
- Stock Location Inlets w/ Most Clearance for Belt system
- E85 bottles UK
- New Clutch, New Turbos Break in
- Walbro 274->295
- Ebay Index 12s?
- Android logging software
- Is this a Fake HKS SSQv3??
- 120K refresh - do I change the radiator?
- Car almost almost stalls when gas tapped to 1000 RPM - Video & Datazap attached
- Cold Start Issues
- Serpentine belt / pulley squeak when accelerating
- Question regarding MHD with Sutphin TCU tune
- N54 Getting Codes 2e83, 2e85, 2e8b
- 30ff help?
- MHD Burble tune not working??
- Auto Transmission Clunk when shifting from reverse to drive
- Massive difference in exhaust sound with diameter
- N54 intermittent long crank on hot start?
- Port Injection MPG?
- alternator overcharging.
- P0031, P0051, P0151, P0057, P0037 E93 335i N54
- Car shaking in idle and under load
- X-pipe from factory? Sedan exhaust question
- Injector Cleaning?
- Anyone running around 127mph trap speed in the 1/4? What's your ET?.
- Exhaust too quiet but dont want raspiness
- Is inductive coil better than other pencile type coil?
- Overboost hell!!!
- Bilstein B14
- Exhaust throws black/brown smoke when boosting
- Mixture control lean
- First time changing the oil without removing the under tray
- Cylinder 6 misfire under WOT at high RPM
- N54 Shaking, limp mode, misfiring
- Deleted
- 650whp on PURE600s possible??
- N54 tear down video
- Paranoia over knocking sound. Bearing ?
- Misfire Help
- Transmission help
- 08 335i low boost topping at 3.2 at 4k rpm issue
- VANOS intake issue...I'm stumped
- 2c9c and 2c9d o2 sensor heating codes
- Best 7.5 inch stepped intercooler for upgraded / single turbo?
- turner adjustable short shifter kit
- N54 Powered race car needing HELP - Wastegate
- 6HP21 years
- Burning oil/plastic smell? Data log included.
- Vibrations on deceleration, not always.
- Transmission shot after service 6hp21 auto
- Possible hardware overboost causes?
- DomiWorks billet DCT oil pan
- N54 engine won't start !!
- Rail pressure same as lpfp sensor
- MFactory Helical rattling
- Turbos died again, what is happening ?
- LPFP Constant 113-114psi reading in MHD Monitor
- Help with possible steering rack replacement
- purging old gas?
- Crank No Start = No Fun
- n54 Port Injection rail fuel leak
- Single turbo heat management
- Walnut blasting oily valves
- MHD question......
- e85 mix misfire issue
- Cylinder 6 Misfire
- Throttle Body Vacuum Hose Part #
- 335i A good first car
- Tons of smoke before and after turbo replacement please help
- BMW N54 multiple strange issues
- ST N54 1/4 Mile Runs (how do you launch a 6spd ST!?)
- Bank 1 o2 sensor fault
- N54 aluminum intake + PI for daily ?
- e90 335i 2nd LPFP Activation via Exhaust Valve Control
- Part Number for Vacuum Line on Throttle Body?
- Timing corrections on low boost
- Bucket Bracket for Dual Pumps
- So does anyone else get 10mpg on city driving?
- Best power for country roads and replace stock injectors?
- E92 misfire
- Karma ? BimmerB???st down forever?
- Infuriating Throttle Delay (MHD)
- Wastegate rattle after new turbos installed
- Change Clutch Engagement Point -x clutch
- N54 21psi flatline boost issue, DME limitation?
- Built motor: Fueling and knock issues resolved
- 335 Acts weird in heavy rain only??
- What could've caused destroyed downpipe cats and turbos?
- Cheap exhaust welder near Hudson county in NJ?
- Need help identifying issue (SEE VIDEO)
- Logs - why is my car having massive timing corrections with E85?
- What do you think of this chain play?
- Burble tune setting question, MHD stage 2+
- Hole on back on cylinder head?
- Maryland Inspections
- Car jerking on acceleration
- Perpetually logging with MHD
- VTT “GC” N54 to B58 Coil Conversion Kit Now Available ***NEW PRODUCT***
- electronic malfunction under acceleration
- Rough Crank and cutout at wot
- N54 "high" fuel pressure
- New member here... MHD question
- Intake manifold suggestions
- water injection
- N54 shakes at low rpms in first gear
- Rough Idle after parts installed LOG
- Help. Misfires. Car barely drivable.
- Fitment Concern - Coolant Expansion Tank Relocation and BMS Chargepipe w/ Tail BOV
- Down shift throttle blips with MHD / xHP
- Thick white smoke at low RPM
- 30FF and then some
- N54 30FF
- Replacing valve cover + injectors what else?
- Smoking Issue
- Misfire issue
- Valve cover replacement
- log looks very off (seems like multiple problems.)
- Did speed tech go out of business?
- Need help with this sound I can't figure out.
- Siren/Whine noise I cannot figure out.
- Vacuum leaking tracking, diverter valve hose leak?
- 2007 E90 Index 12 Fuel Injector Failure?
- Exhaust question + smog
- Turbo Solenoid Connectors and Limp Mode
- Managed to break the plastic connector of the vacuum hose to vacuum canister
- Fuel Mode 22 and Rail Pressure Spike at Idle
- Spun Rod Bearing
- Quiet muffler
- 19t turbos 335i goal 400/450 whp
- N54 dual 450 lpfp issues
- Unknown part
- 2007 BMW 335i E93 N54 6 speed manual
- N54 missfire and different faulty codes
- FBO MHD Stage 2+ verses custom tune
- Q: Port Injection injector size (42mm or 48mm)
- 2C3D and 2CAA - bank 1 AFR 26 and stft stuck at 0 - replaced O2 sensor didn't fix
- No boost until I turn car off and on
- No boost and loud vacuum cleaner noises
- Fuel It PI kit issue
- Rough idle after turbo install, 2AAF, 2D2E
- DME locked? ISO some assistance
- E92 335i Arma Speed Carbon Fiber Cold Air Intake
- How would you go ethanol in 2022?
- 335i ZF Trans Not Detected by DME. CD99 CD9E CD9D 2E7F CDB0 D357 codes
- boost leak or something else?
- Are E90 & E92 Differentials Interchangeable?
- While the intakes are off for blasting
- 2007 E92 335i - White smoke out of intake
- Single turbo tick and scrape noise ?
- is this gas+meth fueling setup approach any good?
- E92 Starter Won't Fully Activate
- E93 335i no boost p0237
- Vargas turbos wastegate flap broken
- Advice on Aftermarket Mufflers
- Oil Leak
- Best way to order/buy a single turbo kit in Canada
- N55 vs N54 expansion tank size
- Misfire at Idle, None under power
- Overboosting after VRSF Catless DP install, and New Stock Mitsubishi Turbo install
- 2A9F code and 3100 code PLEASE HELP
- E90 335i Catless NY Emissions
- NV emission readiness for catless 390 335xi
- low boost after 5500 RPM
- 335i performance Exhuast clamp size?
- Causes for crankcase pressure
- Intermittent Jerk/Misfire Datalog avaliable
- N52 Swap to N54/N55
- Need help identifying black box spliced into ecu.
- Pe mod shop
- No boost after voltage regulator was replaced
- Relocated inlets
- N54 HPFP Rebuild Kit
- Injector Change - New Misfires
- Mixture control Lean 29E0 29E1
- 08' 335i rough idle issues
- 2007 320i engine swap
- Dyno day: issues again?? What's going on with this graph?
- Choosing a Turbo for a high mileage dying E90
- Low Boost / Loud Whining Sound / sounds supercharged
- MHD Custom map
- No boost??
- Tips for getting a good 60ft time?
- WTB: N54 DP Fix/o2 Simulator
- 29F1 29E1 codes. Car running rough - Limp mode
- What is needed to put a rwd transmission in 335xi
- MHD Stage 2+/2 throwing 30FF codes
- Very Lean AFR's at WOT
- 2009 E92 335i 6MT diff rebuild?
- VRSF Downpipe Install
- Mhd not even near target boost
- Car won't turn over
- High STFTs
- N54 35i mixture controls both banks lean
- N54 suffers from warm starts
- 6AT (ZF6HP21) vs 7DCT (GS7D36SG)
- Anyone having issues with the new MHD version?
- E90 335i Transfer case help
- Mixture codes
- 2008 E90 - N54 29E0 runs bad at idle
- Oil leak from sensor?
- Upgrading to Pure600s, What's Needed?
- Blowing smoke since catless and MHD
- AFR oscillation causing stft oscillation
- CEL after switching gas
- Which exhaust do these cars actually have stock
- New tune for track day?
- Car won't start after oil change
- 2A1A - DME:Tank-venting system, function
- Pure Turbo Question
- Misfire on Cylinder 4 (Impossible to solve I swear)
- Coolant level low every 2 weeks, but no actual leak
- Solved: Help me figure out my very Slow Spool
- Can ledge issues n54 swap into e36
- Pure600 N54 Install
- Torque Specs for N54 Support Bracket Bolts
- 335is Stock Throttle to Linear Throttle
- Anyone know what this part is?
- Mixture codes low rpm acceleration
- oil cooler lines???
- OBD2 sensor shows no memory of oxygen sensors
- Vrsf inlets n54
- N54 OFHG Replacement - Motor Seized
- Possible solution For the dreaded 2D2E
- 2013 335is keeps jumping timing after
- QUESTION about mhd logging......??
- Which gen JB4 do I have?
- Very rough idle log, what's wrong?
- Would it be possible to marry an N54 onto an e46 xi awd system?
- N54 Noise Coming Off Accelerator Quickly Under Boost
- Opinoins on Turbo Replacement
- For anyone having issues with new inlets and your BOV sounding sh!tty/surging noises.
- Mixture control while using 93 and new spark plugs
- Scratches inside OFH
- Idle and Limp Mode Gremlins Success Story (30CF/3100/2AAF)
- O2 errors i29F4 29F5 2C6A 2C7F
- N54 Vtt valve cover gasket is a nightmare
- Vacuum Pump Cover Torque Spec
- Starter solenoid heat soak
- Easy--er front turbo vac line install 335
- SOLVED: Collapsed Inlets? No, they were the boost solenoids!
- Is my HPFP going out?
- Engine seize after OFHG n54
- Need Help with CBC install!!
- N54 slow to boost - where to start?
- U119F fault code
- Question about emissions test with modded N54
- BMW injecters cleaning service
- Index 12 Injectors Leaking? - N54