- Misfire under boost
- Cold Start Misfire... Injectors?
- Downpipe Install Question
- HPFP pressure at idle.
- P0302 code! Injectors?
- How long before a u-joint should be replaced?
- Whining noise when accelerating...turbos going bad?
- n54 vrsf 3" catted downpipes
- Help random misfire
- Can 6at make shift sounds like DCT?
- P0171-P0174-P0420-P0430 codes all at once.
- How do I protect my car from coronavirus?
- AEM 21-825DS Cold Air Intake anyone used it?
- 335xi N54 secondary cat delete question
- N54 single turbo pcv help
- Can 8mm rear main seal replace 12 mm?
- Outlet Charge Pipe
- Side mounted exhaust research
- 2.5" vs 3" chargepipe
- Help with O2 Sensor Error Codes
- Oil Filter Housing to Engine Block mating surface
- 335is upgraded twins?
- N54 Misfire Mystery
- (New problem) Transmission tourque converter?
- N54 Single Turbo Engine Splash Guard
- Oil pressure switch question
- Strange Electrical Issues: JB4 - Battery - ????
- Closest sounding f1/v12/high-pitch exhaust?
- Turbo Oil Leak Mechanism
- Andy AD Engineering
- SES light and o2 Sensor codes
- 30ff low boost.
- ebay 7.5 race inter cooler ????
- what other maintenance do i require?
- Serious IAT ISSUE
- BMS BOV Adapter
- Cheap Index 12 Injectors
- Cross roads: JB4 or MHD
- Full refresh/repaint and need to know what else to do
- Reliable hp/tq
- best upgraded twins for $1700 budget
- Intercooler Mounting Screws
- MHD stage 2 Cat not ready
- Chasing Vanos codes 2a82 2a87 tried everything still there
- N54 Bolt Sheared
- Upgraded auto transmission for n54?
- DAW stage 2 twins vs VTTO stage 2
- lean codes 29e0, 29e1, 2a2b, 2a2c Logged attached any pointers?
- Request for help, diagnosing 30FF and 29D0 Issues
- N54 stft and afr
- Electrical Issue - Please help!!
- 08 335xi DME relay location
- walpro 295 wiring help
- MHD stage 1 codes
- Single Turbo MHD Tuner
- New Pump or Sensor?
- passing emmissions Md
- JB4 Connect Kit issue
- Xi oil pan fit in a rwd car
- eBay index 12 injectors
- Deleted
- Variable Belt Squeak (videos attached)
- tracing some gremlins
- Still getting a misfire..
- <SOLVED: VRSF failure> FBO N54 under-boosting, lag/surging, does log show ANYTHING?
- 2" Inlets OEM position Rear positioning
- Should I replace O2 Sensors? Pics
- Oil Cooler Install
- What cooling fluid are u all using
- 335i N54 Smog & Decibel Test?Cali
- MHD has a burble update for us N54 people as of this morning.
- Aftermarket engine and tqans mount options?
- MHD burble settings
- Trouble with electrical problem
- Who has tried the new xHP v3.0 flash?
- I need some help with fueling
- Turbo Vacuum Lines
- Coilovers for e90 for DD
- OFHG Leak Path
- JB4 + BEF only targeting 12 psi
- 2007 bmw 335i misfiring cylinders 1 2 3
- Genuine BMW M Performance Power Kit
- 335i turbos vs 535i turbos
- Downpipe V-Clamp Stuck on shield
- E90 N55 Ignition coils suggestions?
- N54 Relocated inlets, 335d chargepipe and expansion tank
- Help! Valve Cover replacement went wrong (?)
- Bad Fuel Rail Pressure Levels, HPFP or Some SW Gremlin?
- Is this a proper PCV system?
- Steptronics paddle shifter plug part number?
- Catted VRSF downpipe, secondary cat delete?
- *HELP* 2009 335xi n54 oil leak *video included*
- N54 Tial BOV vacuum line
- MHD stage 2+ FBO n54 horsepower range
- JB4 NLS via JB4 Connect
- 335I Transmission Error Codes
- driveshaft question??
- Misfire misfire misfire!
- MHD Stage 1 vs Stage 1+
- STFT erratic at idle / Idle rough
- Help, DME code 2CF6 sending me into limp mode
- Single Turbo Kit Choice
- running e30
- is stft related to post cat o2s? Also 2C7F code
- Help! Engine Malfunction no codes!!!
- FBO questions
- 30FC Code. Time for new Turbos? Whats wrong?
- Cons of XHP?
- ZF6HP21 Shift Solenoids.....what issues can they cause when going bad?
- Where can I find BMW turbo cores?
- New 6266 Doc race kit spooling slow (4.8k)rpm
- Bigger vacuum line for HKS bov
- M3 control arms kit
- Will VRSF race exhaust work on m3 style bumper?
- Experience with OEM N55 spark plugs in the N54 engine?
- e85 questions
- Midpipe like M f80?
- Factory Air Box with Tune
- I think misfire will be solved
- What plugs and coils for upgraded turbos?
- Oil leak from pan or turbo?
- Any SF Bay Area folks have a used injector you can sell me?
- Sudden 2FBE and 30FF after JB4 firmware update
- What WHP numbers with MHD Stage 1/2?
- Straight piped exhaust is too loud + drone
- N54 Stock Motor handle?
- Turbo wear from tuning a 335is?
- Possible Head gasket blown? Pic inside
- Motiv Flex Fuel installed—now the car has issues
- Bad waterpump?
- Coolerworx Shifter Installation
- LSD for 08 335
- Best inexpensive walnut blaster
- Missing Injector Index Numbers
- How to install an M3 LSD in a 335i - super detailed with pictures!
- Thoughts on 034 transmission mounts?
- 2abd code after jb4 install
- Prototype steering reservoir relocation bracket for Mr.5 style intakes
- Emission before getting DP
- How to free aluminum bolt stuck in aluminum block?
- 29DC code Ignition cutoff
- Heavy Misfires Under Slight Accelration (N54, 135i)
- Front Bumper Lip dilemma^^
- Thickest tires for 17 8.5
- E92 6AT Transmission Cooler/Heat Exchanger and Thermostat Questions
- Front Crankshaft seal kit
- Hissing noise by vacuum canister
- N54 rebuild - Worth it?
- Clutch = Flywheel Replacement?
- WOT Troubles
- How’s my turbos look?
- Oil seeping from engine block
- Is my wallet about to get jumped by the price tag of 2 new turbos?
- Can any one confirm which o2 sensor plug to which bank in down pipe?
- N54 oil leak from pan?
- What oil should i use after MHD stage 2+ . e50 map??
- bad pcv?
- What size bolt for Bumper tow Strap
- Add resonator to reduce rasp n54?
- Where can i go to get dyno tuned
- n54 swap
- Who runs E85?
- snow performance 2.5 port meth injection( Will not fit)
- Special tool 11 8 51 (Used for camshaft intall)
- BMW 335i e92 Catless downpipes $178 at circuit werks
- MHd tablet problem
- MHD Wifi vs Thor Wifi
- N54 335i Water Pump Issues!!! Please HELP!!! :(
- 08 335i w/DCT
- For people with custom tunes: Which tuner?
- e92 N54 AT to DCT swap help
- True 3" Downpipe
- catless downpipes , limp mode
- Chirping sound when engine is cold.
- Is 5" or 7" FMIC best for me?
- Turbo help!!!!!
- Ebay tial BoV spring question !!!!
- N54 upper radiator hose question
- Manual Swap Vs Built Auto!!!!
- N54 Exhaust Low Pitched "Farting Sound"
- Long crank rough idle
- N54: Single turbo VS Twin Turbo
- Misfire
- JB3 Removal
- 2A87 Exhaust Vanos
- Mystery plastic in oil pan? Can someone identify.
- HARD motorsport trunk floor/exhaust heat shield delete
- e50 or tune first
- Can anyone identify this box?
- Idle 1200 rpm
- HELP misfire codes 29cd 29d9 09 335i
- Help 2009 335i starts sputtering and shaking on start up
- Hesitation on light acceleration
- Is the N54 335i the best “Bang for the Buck” car out there right now?
- No Boost, No Leaks, Vacuum good.
- From Eurocharged Tune to MHD
- Ripped Thermostat Sensor Wire
- Best Mods for Dinan ST2
- N54 a lot of smoke comming out
- MHD tune pump gas question
- N54 strong top end "tick", am I on the right track?
- Upgrades after FBO
- 2008 E92 335xi PE Mod, VRSF 3" DPs, Secondary Cat Delete
- Completely stock car, slow spool
- XHP Flash / Transmission adaptation reset
- Is my turbo blown?
- 2013 335is 6MT 65k miles rattling noise
- FCP Euro now carries VTT stuff
- N54 overboosting
- What's next?
- Am I missing a bolt or something?
- MHD DME Error Codes
- Hesitation and super knock
- Those with VRSF Street Exhaust…..any regrets?
- Super knock and hesitation on hard acceleration
- Bosch plugs on MHD Stage 2?
- Vibrant 1792's vs secondary cats
- which clutch and flywheel replacement?
- Anyone using the brass clutch fork pivot pin
- Multiple issues engine malfunction/overheating
- 2F9E error oil level.
- ISO Custom tune
- Anyone else having VRSF problems being back ordered?
- '13 335is Injector Recall
- MHD DME scan
- At what point are cyl timing corrections a problem?
- Just went FBO mhd stage 2+ e50
- Round 2 maintenance
- CYL 6 misfire code wont go away
- MHD N54 ios app & 2.0 app update
- MHD Now On Apple IOS!!
- Help needed! Lpfp/hpfp/vanos issues??
- 335 is, keep x-pipe or not, why or why not???
- Any reason not to get a cheap charge pipe?
- Reliable 600hp goal
- Need a good battery charger for using MHD
- What fuel upgrade should I do?
- Muffler delete too loud for my liking. Exhaust options?
- N54 low fuel pressure issue new help
- Oil cap lots of oil coming out of it
- Bimmerlife coil question / problem
- Meltdown!
- Does anyone actually like the vrsf exhaust?
- Tial to HKS BOV Swap Question
- N54 335i Turbo Replacement Cost?
- 29E1 and 29F1 Fault Codes
- Aftermarket Valve Covers
- N54 weird bog under 2k RPM
- AmazonBasics vs Liqui Moly
- What is this?