- Oxygen Sensor Code 2C7F
- whining noise coming from engine when I put foot on gas
- Limp mode but no codes ?!
- Cleanest Coolant Tank Relocation
- Help!! MHD JB4 Backend Flash
- Walnut Blasting kit options/opinions?
- URO Coolant Expansion Tank - new cap fitment issue...
- What's next? (Performance mods)
- Delete
- Loud bang, then engine light, codes 2ABC + 2F08 + 3100. WTF???
- ECS BOV Noise
- Maintenance Advice
- Just blew my serpentine belt at a red light
- N54 Vacuum side PCV using AD Fitting and BMS Catch can
- Is there any confirming stamping, or serial numbers on VRSF catless dp's?
- M factory metal plate diff?
- OFH gasket replacement
- N54 Tuning advice needed
- 150,000 miles fbo- should i single turbo?
- Best CHEAP exhaust setup (Loud backfire) - Better than PE MOD!
- Need help with these 335i codes + Misfires! (Codes + Video included)
- Upgraded coils availability
- Little help, please!
- JB4 BEF Race map log
- BMW replaced turbos, few questions.
- jb4 log help
- Synapse Bov question
- Guys with M3 Cowl Conversion
- Stock like D mode with Alpina like S/M??
- Engine stall (in gear) and rough idle on cold start
- Help with these codes
- Fix for 2abd code (boost pressure sensor overrun)
- Water Pump/Thermostat Kits
- thermostat issue?
- N54 dogbox transmission
- SOCal PE Mod
- Downpipe install questions
- Start stall issue
- Fueling Question for 600WHP Single Turbo Kit
- I want to delete my secondary O2's, permanently
- Excessive Oil Use With ST
- 29E1 Fault Code and Amber Warning on Dash
- Strange low throttle surging / severe lag
- N54 Aux Oil Cooler on a N55
- Vacuum canister delete/relocation.
- 335is DCT to M3 diff swap, output flange question
- Difference in sound of Catless downpipes?
- Best reliable turbo upgrade
- Cobb Charge Pipe N54
- Codes
- Doing Engine Swap - AC Compressor
- Exhaust Manifold studs
- DP Fix, adjustment, and codes
- Ticking
- Weird sound when coming to a stop, n54 AT
- N54 catch can setup?
- Order of upgrades towards FBO
- 3rd to 4th gear pull please advise if you see anything that can be corrected
- Refine, Smoothen/Get rid of Raspy exhaust.
- N54 cyl1 misfire, suspect HPFP, cold start OK
- Midpipe Exhaust Hanger/Bracket Safe to remove?
- HELP! Smoke from engine on startup
- Best downpipe?
- 335xi oil pan removal--ahhhhh!!!
- Is it worth leaving PROTUNED Cobb and make the switch to...?
- BMW N54 Injectors leaking? Changing only the o-rings?
- INPA missing injector options V5.0.6
- Please help a young fella.
- Helping a friend to decide how to mod his car
- AA Signature Exhaust
- n54 oil pipe outlet
- DIY: Replacing vacuum hoses
- O2 sensors? Codes 2C2D and 2C7B
- My misfire saga
- N54 2a98 code HELP
- 335is overboost function with JB4 questions
- UPD: HPFP or Vacuum Pump failed gasket?
- Makeshift exhaust mount
- Missing Intake Duct - Replace?
- Index 12 injectors failing?
- Turbo snap ring won't sweat all the way.
- Installed downpipes, weird sound. *Video included*
- Vrsf Oem location inlets + BMS DCI
- Switching from 5w30 to 5w40
- How to Remove N54 Engine
- VRSF inlets vs MMP inlets
- Brand new Index 9 injectors - opinions?
- Looking For Used Index 12 Injectors
- Pulling and Cleaning Injectors?
- Aftermarket oil cooler THERMOSTAT?
- DKG wobbly engage in reverse
- Recommend me a catback exhaust system for my E92
- Put bov on and throttle body and turbos go out?
- Wierd Shaking After Oxygen Sensor Replaced
- DSSR for 335is. The saga still on. Pls HELP
- sticky tires
- MAP Sensor
- Shop or private installer in LA area
- Water pump won't shut off!
- Injectors covered in oil - theories?
- Dyno today in SWFL
- Dry OCC after 2K miles
- Bad injector(s)?
- Help with turbos going bad after a few days
- Reinstalled OEM cowl, best mod ever.
- 4,5,6, and 30BB issues
- Vrsf great customer service and great products
- INPA Throttle Voltage Values Question
- Seeking input for 08' 335xi turbos
- N54 DP Fix Codes Emissions
- Cylinders 1, 3 and 5 running rough
- Vrsf oem inlets and BMS oil catch can
- MHD Burble Mod Dilemma
- NEW Vanos solenoid. Half Engine Light
- Boost tap
- Stay Away From These Spark Plugs!
- MHD Tune on my High Mileage 335?
- White Smoke From Front Of Engine
- Help with sporadic boosting, FBO w/ MHD
- Smoke issue Injectors
- Build question
- Check Engine Light On/Off After Fast Driving?
- XS Power Charge Pipe w/ Bov install
- VRSF Quality products and great customer service
- Is PI causing N54 failure....why?
- On3 Kit with Precision 6266
- n54 cylinder number
- 09 335i passenger restraint malfunction
- N54Tuning T-shirt GIVEAWAY - FREE T-shirts
- Additional gaskets to change out when doing VCG?
- Check engine light and code diagnosis help
- New FMIC on the Market - PHOENIX RACE STEPPED CORE
- Surging Noise After Forge DV Install
- Opinions on switching from JB4+BEF to just MHD BEF
- JB4 Version
- Oil Leak?
- need MAJOR help with codes
- HELP! P30bb code after Valve cover gasket replacement??
- What do these 2 codes mean?
- VRSF dp fix
- Overboosting after rattle fix diy
- Differential noise?
- M3 Differential, Suspension & Mounts Review
- Engine Code Help! 2FBE, 2C31, 2D2E.
- Best choice for my N54 FMIC, VRSF 7 HD or 7.5 Race???
- Coil Packs
- Need help with IAT's
- Downpipes help please
- Who has the highest mileage, fbo stock turbos
- 2a98 3100 2a82 timing camshaft sprocket or bearing ledges?
- 10 second 335xi n54
- Bimmer life coils review
- Does anybody know any good shops and tuners, in or around the Connecticut area, that
- Help with oil leak
- INDEX 12 injector all 6 for 300$
- Castrol Edge 5w-50
- "2C31" Engine Code Help
- Fitment with Synapse CP and VRSF 7.5"?
- RPMs Initially drop under throttle?
- bmw 335i eLSD without DSC ?
- ODB readiness (catless) inspection help
- mxp mevius exhaust on 335i ...anyone has it ?? opinions ?
- Kompact BMW Plumb Back Kit
- How much boost can the stock intercooler system handle?
- Possible fuel issue - logs attached
- Bank 2 O2s need to be replaced?
- USED JB4 / what to look out for
- Private Installer - WI
- Bov came off, fixed and now 30ff code ???
- FBO Week Install
- Cold Start Misfires
- Twisted Tuning ftw
- Code clearing help
- Knock Knock Bros - Help
- Can the JB4 DAMAGE DME or ECU. READ
- ETS BMW 335i N54 N55 5" Intercooler Upgrade
- Fuel Injectors for $49.95?
- Worth Replacing O2's w/ Downpipe Install?
- N55 Engine Number
- N54 3" VRSF Downpipes
- N54 Hks Ssqv Bov
- 335 turbos fit 135 both n54
- Diagnose a bad TMAP sensor?
- Rod bearings as preventative maintenance for high hp?
- BMW 335 misfire at cold start!
- Pros and Cons of relocated inlets
- BMS DB Fix Removal----I need some help really badly!! ASAP
- How much do you think I should offer ??
- N54 fuel pressure - does this look right?
- 6266 N54 Pulling Timing
- 1.75" or 2" Inlets
- N54 Charge Pipe
- FORGE BLOW OFF / Diverter valve install
- N54 in an E90 M3...
- Black friday Deals On Turbos
- Badly fluctuating pressure after new OEM LPFP installed
- 2ABD code after replacing Tmap sensor
- Yes a intercooler question but between the Race Intercoolers
- N54 Coolant Temp Issue
- Mysterious Lean Problem? w/ logs and codes
- Help with injectors
- Reduce Turbo Wear using wastegate boost lag fix?
- Strange sound after alignment
- VRSF vs PE Exhaust
- Limp Mode
- ADE PI O-ring gasket question
- Need some advice
- Anyone have this ebay exhaust?
- doing mhd bef this weekend, trickle charger question
- JB4 Chargepipe CAI then code2D33
- Engine MisFires and Check Engine Light? Log attached
- HELP! Engine Clicking/Ticking when Revving
- Code Help! 2D33 and 2F08
- DME not putting out correct voltage to sensors
- Jb4 tune??
- ID Bolt
- FBO Max Reliable Daily BHP?
- Check engine light, low operating temp
- *Update* Please help, car is undriveable. Multiple misfires
- 2009 335i transmission shaking when accelerating in 2nd gear at.
- Fire HD Tablet and MHD
- Serpentine belt stripped, need help
- update:Boost solenoid question
- Vrsf 3.5in exhuast Leak
- Car feels extremely slow
- Are downpipes much louder than stock?
- Transmission Issue? Is my TC shot?
- N54 won't start but cranks
- auto single turbo
- Oil cooler gasket / oil filter housing gasket change
- car bucking violently, cutting off
- Discussion: Large ST thoughts N54 and N55
- TiAL Q BOV
- Just bought the MHD e85 map, have a question
- Dct Vs Alpina Flash Or Xhp
- Sold
- Exhaust Leak? Found & fixed one but still smells.
- DCT GS7D36SG interchangable between cars?
- Throwing code
- VRSF Catback Sound w/o DPs
- Help with engine codes
- Boost Leak - hitting target then loss - SOLVED
- Ticking / Knocking Under Partial Throttle Load
- Gearbox Options
- bmw 335i strange noise
- Gathering parts for transmission fix, have questions - GA6HP19Z
- FMIC
- CA Smog monitor readiness emissions California
- Car stutters when at a constant speed in M/S
- Replacing Spec Stg 2+ clutch