- Tial BOV doesn't sound right
- 2C9E After Exhaust Install
- 29E0 Mixture Control Code
- Speedometer and gas gauge not working
- Catalytic converter question
- New O2 Sensors
- BMS BOV adapter / external PCV install
- Used N54, what should be changed prior to install?
- issue after installing new downpipes
- Why do N54s break rod bearings?
- Fuel limit
- New Release!!!| VRSF 7.5" Stepped Competition HD Intercooler FMIC!
- M6 diff swap
- Wagner Tuning Quick Factory Tour + Intercooler Build Process: Concept To Completion
- Just did m3 diff swap
- Question about burbles
- Recommendations for ZF6HP valve body rebuild/re-manufacture suppliers
- Nasty Vibration/Shudder between 17-24 mph after clutch job
- Anyone running a single Walbro 525 LPFP in their N54 335's?
- Power Steering Pump Failure.
- Turbo oil line construction
- Stutter or Misfire at high RPM
- HPFP E-85 misfires
- Any way to default the exhaust flap closed and not open?
- Cobb with backend flash?
- Best budget Injectors?
- Best budget injectors?
- Anyone running Ebay injectors?
- Custom ST manifold flange touching the frame
- E92 335i N54 (Check Engine Codes + More)
- what type of OFH is this?
- Code P112F after Intercooler Install
- Log check?
- P29D2 Cyl 6 Misfire
- 2009 N54 Air Temperature Sensor Part Number and Location?
- Front main seal question
- SparkPlug Seals
- Question about Valve Covers
- Rolling anti-lag & 2STEP
- Turbo Install Gone Wrong?
- Dct swap from f80 to e90
- Cobb exhaust vs. VRSF exhaust?
- X Clutch Twin Disc Review
- Misfire/pulling feeling ONLY while cruising at low rpm! Need help!
- VRSF 5" stepped FMIC fitment problems
- N54 engine stand bolt sizes
- NGK 95770 being discountinued or backordered? Factory plugs fine stage2+ ?
- 335i N54 Turbo Build List - Please Help
- 335i air snorkel required with DCIs?
- jb4 wastegate rattle
- Getting 30ff and timing corrections!!
- Surging Idle
- How clean must the bed plate gasket area be for no oil pan leaks?
- Cobb E30 map versus MHD E85 maps?
- fixed some problems now 2 new codes
- Misfire on Cylinder 1. New injector, spark plug, coil.
- Misfire on cylinder 4,5,6
- Engine oil recommendation for lightly modified n54
- Troubleshooting limp mode
- DIY: Bad Injector Port "Fix"
- Alternator Failing affecting the Water Pump? Do I still need to replace the WP?
- NKG step one colder / no tune ?
- Cylinder 3 Misfire - Fuel Injector Advice & Help!
- E90 335i Chirping Noise? Need help!
- AFR Acting Very Weird
- Does new OEM Mitsubishis need adjustement ?
- N54 135i/335i review.
- Strange when going off gas while WOT
- Oil pan bolts (uh oh, extra parts)
- Error codes and clanking after failed dp install
- Clutch install shop recommendations
- Dme main relay
- When idle, car dips RPM of maybe 100 and I feel a very slight vibration - injectors?
- Top steering column came out when removing steering rack
- Underboosting, log included
- N54 Overheat
- My 335i exhaust set up
- FMIC
- JB+ Impressions
- MHD Coolant gauge
- When will MHD stage 2+ update?
- High fuel rail pressure fault. Found the cause (for my case)
- upgrade turbo suggestions
- OCC - to Breath or not to Breath
- compression test help
- E92 N54 Engine Swap Build into E36!
- Advice on minor yet essential performance/overall upgrades
- Will xhp tune make your bmw quicker?
- will e series turbo & manifold fit on f series 335i
- VRSF Stainless Inlet Question
- E90 Automatic frequent transmission gear indicator
- 30FF code after Downpipe install - MHD Stage 2+
- Misfire when using E85 blend
- To COBB or not to COBB, that is the question??
- Cobb AP3 stage 2 disappointment
- Tuner Recommendation
- E 90 Track - Engine Builder reccomendations
- How do my spark plugs look
- Oil Cooler Setup
- Added DPs..... ruined the sound of my car!
- Baker's Dozen prior to Tune
- Throttle response issue - interesting log
- New PURE600 Turbos, anyone have these yet?
- How long do the OEM turbos typically last?
- Turbo Installation Question
- Bosch N55 one step colder ok or wait for NGK spark plugs?
- Stage 1+ mhd issue?
- 29F4 / 29F5 on MHD Custom Tune with Upgraded Turbos
- 484hp/502 tq: Spec Stage 2+ or 3+; MFactory or Spec Steel SM Flywheel?
- Clutch Pedal won't go to floor after install.
- 2C9F engine code not goign away!
- High HPFP at idle
- MHD cable Disconnected Mid Flash
- Leaky Injectors the only possibility?
- Stock Location Silicone Inlets Suck to Install
- Dangers of driving with leaky injectors?
- N54 Issues and i need a little info
- Car Misfires under heavy throttle
- Different AFRs on banks
- MHD / Catless / O2 Question
- CSF Radiator
- Can someone clarify E85 MHD tunes please
- Someone wrecked my 335..new car?
- Michelin tires at Costco
- Engine Oil on Top of Engine Cover 335is
- N54 Throttle Sensitivity Discovery thread
- Limp mode after VSRF Chargepipe install
- Hemorrhaging coolant
- Fan failed, replacement upgrade 2eff
- Normal lpfp psi readings
- Jake's Budget-Built BMW 335i Thread (Drag Inspired)
- F.S. piggy back tuner
- Dinan Exhaust N54 E92 Setup
- Transmission trouble
- Bent pivot pin
- delete
- Fuel Pressure when engine is off
- I want my car louder. Catless DP or Stright pipe?
- Easier to pull motor for turbo replacement?
- Jb4 MHD first time flash issue
- add e85 to fix timing corrections MHD
- Misfire/power cut-off at low RPM/high load - 335xi 6MT
- SPEC 3+ & SMFW Vibration?
- Burble map for Cobb AP
- Where to relocate ambient temp sensor after big intercooler install?
- Smoke / MHD
- How-To Walnut Blast/Carbon Clean your Intake Valves
- Need some help with my first JB4 experiance
- JB4 Installed - Now No Start
- Remove Thread, DNR
- Best N54 Billet Aluminum Oil Filter Housing Cap?
- Set of fuel injectors for cheap?
- A guy wrote my N54 335i off!
- Wiring up a used JB4
- Motor swapped but wont start and electical error
- Vacuum Line Lengths
- MHD Flash Failure Need Help (Resolved)
- Theoretical wastegate actuator adjustment question
- VRSF Intercooler Evolution Update
- 95770 Substitute?
- superknock shadow code cylinder 5
- Carbon canister filling with fuel
- How does throttle adaptation work, and how to shut it off?
- 335 FMIC installation hardware
- Fuel It Stage 2 Pump and E85 - Need Some Help
- N54 30FE boost high code and Limp mode
- How are my trims? 2007 E92 w/ JB4 G5 iOS
- Help: n55 fuelling issue. Hpfp failure?
- E90 w/ catless DPs how to finish exhaust?
- XClutch Twin Disc Review & Installation (6MT N54)
- My dual outlet vacuum block
- fastest bmw turbo convertible (with aggressive tune) 0-60¿
- Low/no boost - nasty whine under boost (video)
- Engine knock or something else?
- Sometimes you win with ebay gambles, and sometimes you lose. Chinese DPs
- SUPER KNOCK !!! Please help.
- knock knock who's there? ?
- N54 boost leak part 500
- N54 Help! Problems with turbos, HPFP, injectors? VERY detailed question...
- Smoke/steam coming from front of car
- Chasing blue smoke
- Newish turbos - wastegate stuck?? Video inside
- misfire won't go away...HELP
- DCT damage
- Low Oil Pressure from Oil Cooler Hose
- Superknock among other issues
- 2D2E Code Throttle fluctuating
- Serpentine Belt
- N54 loud clunking/knocking
- Can it sound any better!!
- Ultimate Guide to N54 Spark Plugs (Install, Gap, etc.)
- Issues with N54Tuning
- Pulley Whine
- Need to pass emissions real soon and getting 29F4 and 29F5
- Help Diagnosing Ticking at Idle
- E9x m3 with n54 swap?
- How smooth should a shift from park to drive be?
- N54 DCT Throttle shut
- Component cleaning - how to remove oil etc
- Exhaust rattle bad secondary cats?
- Best UK cleaner for soak and scrub valve cleaning
- Colorado Emissions and downpipes
- radiator leak please help
- car not accelerating randomly, engine shakes after
- Low Boost / Going Into Map 4
- ISTA active diagnosis for turbocharger
- Turner Motorsports Lightweight Flywheel
- N54 DP FIX wiring does not match up
- What Went Wrong Here? Damaged Rear Turbo Compressor
- Supporting engine - engine support bar
- lsd 335xi ?
- Loud cooling fan and CEL 29F1 DME Fuel pressure, plausibilty?
- Pcv valve cap oring
- Am I pushing the limit of my turbos?
- DocRace Intake Manifold on OEM Location Intakes
- Can you use Nitrous with our cars ?
- Check engine under heavy throttle 30ff
- Rear o2 sensors disable
- M3 style rear bumper exhaust
- Ram Air Scoops (probably not what you think)
- Front main seal leak - of my own doing probably
- 30ff - low pressure turbo inlet
- The utility of post-cat oxygen sensors
- Replacement red wires from dp fix installation
- Does any company buy used turbos?
- How much hp
- Cant hit target boost, ive tried everything !
- Help with removing fuel pump from fuel-it adapter
- Crank Seal Plate - No more serpentine belt getting eaten?
- M Factory LSD... 3+ years and just broke
- Is This Bad? - V Band Bolt Location Compared to Oil Line
- Hesitation at WOT
- Surging boost after FMIC install
- Strange issue, and I'm stuck
- MAP Sensor? 30ff code
- 335is OEM Flywheel Replacement Options
- JB3 and BEF or upgrade to JB4 then BEF
- 335xi N54 turbo replacement - right axle
- DP Fix For N54
- 335i N54 ticking noise on cold engine
- Installing new turbos
- Whirring noise - RPM dependent - moving or in Park - video attached
- Turbos -
- Light blue smoking coming out exhaust?
- Clutch bleeding nightmare
- M3/M4 Flywheel on a Manual Transmission 335i?
- Safe place for engine support bar with no tow hook.
- Another 335i Oil Leak
- Any way to make flames/fire?
- This is why everybody needs low side external PCV if they want clean valves.