- Testing a used trans?
- Inspection with downpipes
- Problem with xHP and manual mode when hitting rev limiter?
- 335i No Start, No Crank, No spark on bypass
- How to Retain Loose Wastegate Flapper?
- Valve cover gasket
- N54 Auto Launch
- 335i radiator fan issue
- true confession....n54 oem pcv crankcase vent hose
- Cylinder head scratches
- Generic new cam bearing trays or used OEM?
- Error codes on bmw dash but not on code reader
- Boost Related Codes Please Help
- VRSF chargepipe appears rusted and bent
- Problems filling with gas
- N54 less torque after DCI install?
- Torque converter?
- Car overheated within normal temps along with electronics going crazy
- e92 single turbo pictures
- White sometimes blue smoke coming from exhaust
- Oxygen sensor spacers
- N54 intermittent smoking, only when warm and at idle
- single turbo misfires under boost
- broken valve cover bolt
- Check those motor mounts!
- water pump codes
- Installed Index 12 injectors car is now making a knocking sound
- 2A82 intake vanos code
- Replace injectors or go Port Injection?
- No gears...
- 2010 N55 Cam Timing Issues
- Water pump is on but coolant will not bleed.
- Removing XHP Correctly? Error 4F8A.
- Valve stem seal wear - PICS
- Minor Oil Leak from intercooler inlet connector
- N54 Data Log Review and Issue
- *Solved* Can the cylinder head be removed in-car? Dropped valve into cylinder!
- Dun dun dun. Franken turbo gamble
- MAP / Boost sensor connector
- codes after downpipes
- Aluminum chargepipe does not fit, engine mounts?
- Hi everyone! Just checking in; some latest news and Pics
- N54 2000-3000 rpm rattle, rod bearings?
- Off-idle stumble and fuel codes
- Broken valve cover bolt
- N54 E30 LPFP Pressure
- Need help with possibly HPFP problem
- 335i N54 drivetrain clunk/rattle at low speeds
- 2011 335 e90
- WTB: Style 197 full set stagged 18x8/18x8.5
- 30FF with partial throttle
- Flex fuel yes or no
- Charge pipe compatible with stock air filter
- your opinion on the quality and fitment of....
- N54 missfire problem
- coolant system refresh....
- bmw st data log review please
- '08 335i from Hell - my story so far
- Need help passing smog on stock car
- Valve cover and PCV
- water pumps keep dying help before I sell it
- No More Smoke - Valve Stem Seals!
- J-Pipe exhaust
- Just want to get some things off my chest.
- You guys see this!?
- V5 E40 vs Custom E40 tune
- Rough idle all of a sudden....I'm stumped.
- xDelete to prevent transfer case to blow up?
- Squeaking coming from throw out bearing?
- Wastegates open at 11-12psi no matter what . Thoughts ?
- P3 gauge still worth it in 2023?
- Active BOV not sounding like its blowing off?
- Brake vacuum line question....
- MHD failing
- Anyone running Schrick or Cat Cams camshafts?
- Oil leak
- Replacing Turbos - What else is recommended?
- 335is N54 Vacuum Lines....
- 2C6B oxygen error sensor after PP exhaust install, leak?
- Broke crankcase vent hose, would this hose be safe temporary?
- Help with back flashing MHD . What is 4/2 4/3 ?
- Radium Catch can install with Power Performance Module relocate on 335iS
- turbo seal question
- silicon coupler blow off on boost
- 2007 335i E92 WHIRRING/WHINING SOUND
- Strange whirring noise
- Best Upgrade Path for a Nooby
- "Fuel Pump!" pops up on my idrive every time I turn the car off
- n54 or b58
- Single turbo possible boost leak??
- 335is - large to small pumpkin
- Active autowerke bov open on idle?
- Wow, is this really true?! ALL n54 top mount speedtech sold out??
- Installed new 3.5 Map sensor - throwing codes. Pulling my hair out.
- oil leak confusion
- 335xi Misfire, O2, and hfpf codes
- Hesitation and 29DC code
- 335i ready for mods, but i dont know where to start...
- Turbo Seals
- PS pulley hitting subframe
- Engine No work after DCI and Charge pipe install
- (N52) 06' 325xi Bad Idle, No throttle response
- Could someone please tell me what's going on!?!?!
- late boost, datazap included
- Rear main seal replacement cost
- Oil leak (yes another) question on N54- valve cover? or?
- Vacuum testing exhaust flap actuator
- Bremmen Parts Aluminum Valve Cover?
- Just did HPFP and randomly the the lights on the dashboard shut off and turn back on
- 0x30BB Help please
- MHD Flash Fuel Pump Malfunction (MHD kills fuel pump module?)
- Engine running rough
- Not Meeting Boost Target - Bad Wastegates? Log Posted
- overtorqued spark plugs
- Oil lines for transmission cooler leaking
- Why is my still sluggish!? Logs inside
- Possible engine failure
- Stutters and limp mode after remap
- Stock OEM X pipe
- New Style Oil Cap?
- Overheat warning
- N54 Injector Installation Problem
- E9x dinan3 with mhd tune?
- Steering Wheel buttons and Paddles not working
- e91 to e92 issues
- N54 Aftermarket valve cover issues
- Feedback on RB Game Finishers
- Pierburg or Nissens metal water pump?
- N54 - Idle Problems - 2ABC ?
- Stage 2+ boost leak or is my turbos maxed?
- Is this injector worth cleaning and reusing?
- Is it worth getting N54 crank bolt capture?
- New HPFP failing already?
- Should I expect more injector failures?
- N54 precat codes and barely limped home - need some guidance
- Loud backfire at end of a pull ?
- Well...figured out my rough idle issue. Low compression in #4.
- IKM0S Software OTS Maps
- broken injectors plug
- Crankshaft pulley bolts
- ACL Race bearings failure 2x
- Compression test adapter
- Diff Problems
- Cylinder 6 misfire problem N54
- Cranks but wont start please help
- 2009 335i rough idle
- Slight Fuel Pressure Loss Overnight
- DCT transmission stuck in park 335is
- Code 30FF & misfires HELP!!
- HELP!!! Trying to diagnose misfires on N54. CODES 29CD, 29CE, 29CC
- help needed!!! 3100, 2f09 and 2fdb
- single turbo n54 boosting issues
- Tried EVERYTHING - Unsolvable misfire cyl #5
- N55 No crank
- N55 No Crank seized?
- N54 stalling after long periods of idle
- Stock turbo N54 fbo inlets, outlets, FMIC, ETC. losing power at top end what tune???
- Shredded Serpentine Belt eaten by engine
- Broken Bucketless Walbro 450 Fuel Pump
- JB4, 2-step, antilag and alot of codes.
- Are OEM Z435is DP less restrictive than 335I as 1M are?
- Single turbo air cowl options
- 2007 e92 335i automatic transmission change
- Thermostat vs oil cooler problem
- Odd 30FF case
- Broken hose of some sort?
- Emissions fail - all systems READY but throwing P2418 code
- I need the help from the great @gbalthrop
- Reading Ethanol Content
- Not hitting target boost levels on single turbo N54
- Rough Cold Start and Idle (Logs Attached)
- Regarding N54 Turbo Install Kit
- JB Plus users....
- How long does it take your Auto Trans to come up to temp?
- n54 crank no start
- Metal shavings in oil filter, Vanos/boost codes
- N54 Oil Cooler Replacement/Upgrade
- fuel injector coding on IOS
- Can the crank bolt come loose if using it to rotate the engine?
- 2013 335is N54 Accessory Belt....
- Fuel injector turned slightly during fuel line reattachment
- Valve cover bolt not seated properly
- Vanos Code Question
- no DS/M mode (shifter wires are fine)
- Software upgrades
- can someone help I can't find anything on these codes
- stupid 2A82 code
- corrosion between stainless steel bolts and aluminium block
- HELP: Emissions ready status not getting ready, need stock IA80S binary or solution?
- Odd WGDC Fluctuations, interim 30FF/limp mode
- Pulsar Single Turbo kit
- E90 335i RDC module issues
- Recommended Turbos?
- N54 Turbo Diagnosis Hell
- my mirrors are possessed
- n54 intermittent idle issue
- 0x2A87/P0015 and 0x3100 half power engine light
- N54 edipstick sensitivity
- MHD sport and track cooling
- Mhd 1+mhd 1 &+1 help
- New-ish Mfactory Smfw / Spec stg 3+ slipping?
- Still dealing with smoking issues and out of ideas
- 320 D Fuel starvation. No start....
- Engine hesitates during startup
- Are my O2 sensors leaving the chat? - SOLVED
- Wheel Hitting M3 Control Arms
- Relocated Inlets.....pros/cons? Best Brand?
- Intermittent limp mode 2F4F/2F91 codes?
- 335is Diff Noise?
- DME issue or Fuel injector issue (Solved, it was the DME!)
- Front intake inlet screw stripped
- Misfiring issue.
- MHD single bank fueling: O2 sensor readiness?
- Upgraded clutch/flywheel recomendations for 335 6mt
- HELP! Bad AFR Readings after New Index 12 injectors
- N54 performance modifcation
- What is my 2008 tuned/modified E93 worth?
- Single turbo is blowing air out the filter
- HELP Targetting 5 PSI IDK WHY
- Steering Wheel Not As Tight After M3 Control Arms
- E90 Electrical and Smoking issues
- N54 hiccups tiny misfires? idle not smooth
- RPMs fall after revving and car shuts off
- 3100 2fdb 2f09 codes
- RPMs shoot to 8K after let off!?
- Anyone running dual Walbro 535 ?
- Stuck Head Bolts...anyone else had this issue?
- 30FF (passenger side leak)
- N54 Ignition
- DME No Power\No Comms
- Straight pipe w/ Vibrant resonators on 335i
- Exhaust options for x-drive?
- MHD+! Question
- Mhd stage 2 98ron map throwing car into neutral under load?
- Valve cover gasket
- N54 335is Oil spot on manifold
- Rotated Crank Counterclockwise - Can't align locking pin and special tool -now what?
- ebay M-Sport style front bumper
- making the n54 sound like a n55/b58 without single turbo?
- N54 Swap Into 330i
- e85 sensor w JB4 Auto Tuning N54?
- Stalling with no codes
- Surging Idle
- rear diff seal leak?
- 9 sec 1/4 mile pass - 07 335i
- N54 Blow off valve kit?
- Hitting target using anti lag. Then drops
- wastegate rattle on aftermarket twin turbos?
- N54 Rattle/Chatter - Wastegates?
- Lots of contradicting N54 Head Stud Info online…..who’s got the facts?