- GIAC Stage II Meth Options and NOT GIAC RACE
- Fuel trims maxed out - what next?
- Cobb gauge data
- Can someone explain water coming out of exhaust?
- Been thinking. Might be a dumb question
- Billy Boat Sport Exhaust and X-pipe
- Pump gas flash w/JB4 makes less power?
- how can i detect vacuum leak??
- Oil on my cats (need help diagnosing)
- Setting up Split Second
- Car won't start
- 08 335i not building boost. Any thoughts!?
- New DMTL PUMP and GAS CAP still throwing codes!
- Bms backend emissions question
- FMIC - Installed
- N54- OEM Plugs vs. Bosch aftermarket
- JB+ Vs. JB4 detectable at dealer
- Fuel smell on cold starts
- hexon rr650 info...
- MOTIV 750 (Port Injection w/ AEM EMS4) Progress thread
- HELP! Feel loss of power after custom midpipe install
- VRSF Xdrive downpipes & Corsa Exhaust Not Fitting
- FedEx messing up VRSF parts
- JB4 vs. Cobb v3
- Booster pump installed, NEED HELP-service light and questions
- Service Light Question
- Wtb hpf exhaust
- Cobb Stage 1+ Sport Log - good?
- Help with misfire
- MUST READ? this guy says there is not such thing called 'bad turbo seal'
- Need to rebuild my car/ built like the amateur I am
- Cobb Codes P2F83 / P2F81 H2F81 H2F83
- Lag after Downpipes
- Having Trouble Installing my JB4 please see Pic
- Pinion Nut, What Size? (pics)
- Question about 2 step (n54 automatic)
- COBB Review (APv3)
- level 10 trans upgrade possible issue?
- Any Dyno's with stock turbo on 100% E85?
- 50% e85 and 91 octane on a DD
- Question about selling stock parts
- Forge DV's Opening During WOT Run
- Why does the 335is clutch hold better?
- Disable Procede Boost Control
- first n54 logging
- Oil Leak RHS Lower Engine. Please help!
- Oil on Spark plug near cylinder 3
- New Bmw oil
- Questions For Those Who Installed Vrsf 7" Fmic
- Intercooler upgrade question
- Tuning Wastegate Rattle with AccessTuner Race?
- radiator control sleeve "HELP"
- Spark Plugs and Coils Replacement
- Axle question
- Water damaged DME now with pics Update car runs with codes
- oil level fluctuations after topping up
- Leaking injector(s)
- Slight Overboost - help?
- Walnut Blasting western mass
- Anyone with straight pipe and also has an OCC?
- tapping/ticking/rattling noise from front right side of the engine
- Help please leaking oil
- Procede OFT updates??
- Question with methanol and jb4
- **New Single turbo record**
- Wastegate rod length
- Anyone made a smoke machine yet ?
- VRSF DP Fix install Instructions
- Heavy smoke, rough idle on startup, help!
- JB4 flucuation
- Engine Malfunction
- hard pull... codes thrown, limp mode, jb4 please help
- E-Tune Vendors for COBB (N54 engine)
- belt snapped 3 times in a week
- any 6AT Xi sedans with single turbos?
- New VTT2+
- COBB V3 STOLEN... what do i do?
- How do my datalogs look?
- VRSF Intercooler Guys: Installation
- Lag with 2 turbos KKK K04-22, how to reduce it?
- Slight Vibration...Just Sometimes
- Does my turbo look healthy?
- Adjusting the actuator rod
- Original Turbos at the end of warranty
- Spark plug help please
- Dumb question about jb4 app
- Thinking about getting the JB4 chip
- Kudos to Pro Tuning Freaks
- Sensors and mirror not working in reverse.
- Sensors and mirror not working in reverse.
- What exactly is a pump flash?
- Methanol additive
- MAP Sensor Question and Issues (P2ABD, P2ABC Inside)
- Just got a Cobb V2, not installed yet but showing bunch of error codes
- New here, looking for advice on exhaust drone
- Is anyone running the HKS BOV/VRSF CP?
- Suspension help. Quick
- RB turbos wastegate loose..
- Did I get ripped off? Rear control arm bushing
- WTB: 335i water pump
- Anybody have installed pics of ER FMIC ?
- Replace coils with spark plugs?
- Rough cold start, misfire, black smoke help
- Need advice for custom exhaust setup
- Anyone tried the BMS Short Shifter kit ?
- Single mass fly wheel anyone?
- Problem going into limp mode during WOT
- Fuel pump recall 07 e92
- Limitations of JB4...?
- Fuel pump upgrade questions
- Mishimoto vs BMS oil catch can
- Codes
- straight pipe...?
- Walnut Blasting
- Coolant Sprayed All over Engine Bay
- Car missing so bad it won't run. Smoke out exhaust.
- Reviews for AP Intercooler
- any personal experience installing a HKS BOV onto vrsf chargepipe
- Wastegate Rattle or other?
- Properly sizing PI injectors
- Clutch only slipping under Cobb tune?
- Vrsf Or Ar Downpipes?
- Considering adding meth
- LSD problems. Will m3 driveshaft fit 335i?
- Half engine light but no codes?
- Bov Flanges help
- port injection with fuel it vs Meth?
- conflicting error codes?
- what transmission and diff oil do you use ?
- Stock clutch stregnth?
- Sequence of cylinders on a straight inline 6 BMW 335is N54?
- E90 318d & 320d Engine Problems
- Spec Clutch question
- Cobb vs JB4 for E92 2009 335i (mostly daily driver)
- Any way to tell the age of coil packs?
- Wastegate Rattle Fixed
- Most common causes of oil consumption on N54
- Installed dp fix now these codes
- N54 Braided hose kits?
- Surging Idle, Light throttle not working, stalling at idle
- all cats removed, car is not back firing
- Jb4 meth flow on gauges not working
- Is the performance I'm looking for possible? (Wanting to Upgrade my Turbo's)
- TFT charge pipe/coolant reservoir relocation
- Vishnu Proceed FlexFuel Kit
- About to buy RB's/VTT inlets
- My N54 burns insane amount of gas check engine light not on
- meth or stage 2 fuel-it
- Injector issue
- N54 Injectors or fuel pump
- HELP! Loud clunking noise coming from front differential...
- Walnut blast
- Can fuel tank vent valve cause random smoking?
- Oh fuel injectors...how i despise thee
- Loud pop sound, total loss of power
- MFactory LSD on the way....
- Thermostat code P0128
- Can our 335i's emulate this sound? (video inside)
- My wastegate rattle is getting worse and worse
- What's causing this sound?
- Best Preventative Maintenance
- HPFP?
- all bolt ons minus down pipe.
- N54 downpipes
- Magnaflow Muffler?
- N54 JB4 Woes
- best place to get n54 turbo installed ny?
- Need help, car lost power
- Odd idle when slowing down 11,335i
- BMW PPK loadable via flashing device?
- SES Light, a few codes, what steps to take now?
- Difference between WG rattle / Exhaust rattle
- I want more boost and power with FBO's, Whats my options
- New Coil Pack Issue!
- 30FF but no leaks...
- Decision, ST or RBs
- Pulled Injectors Today... Disgusted!
- 2ABC and 3100 Limp Mode Please Help!
- IJEOS 6AT timing Flatline
- E85 concerns
- Clutch stuck after dropping it ?
- Walnut blasting, Indy shop VS Dealership...?
- M-Factory LSD and AKG Subframe/Diff Bushing Install
- Need advice with wastegate rattle
- Driveline vibration-out of ideas (FIXED)
- Daily Driven FBO 335s
- Anyone spray their intercooler?
- Mishap doing VCG replacement
- Cobb Map for RB Stage 2 Turbo
- Can someone help me with my JB4 log? Car keeps overboosting
- JB4 Reset ?
- VRSF Charge Pipe Review
- Squeaky Clutch?
- Trying to pinpoint cylinder 2 misfire
- Tial BOV Authentic?
- Where can I download the bmw INPA software and can I use my OBD cable from DIS?
- upgrade clutch for N54?
- JB4 or openflast tablet
- Possible boost leak with CP install
- Stupid leaking oil Pan
- Single Turbo Clutch
- Dyno tuning in NJ
- Misfires only after repeated WOT pulls at road course
- About to Backend Flash - any last min advice?
- Broken Strut Bar Brace bolt
- ER Chargepipe Loose on Throttle Body
- 5" versus 7" FMIC - Lag issues?
- Serpentine belt fell off while using the 2 step
- Out of the tuning picture for years, procede outdated?
- N54 Engine Knocking noise (Video)
- Correct rear main seal part number?
- Oh great...a Leak
- ECS Tuning CP/BOV
- Any experience with Vibrant quad tipped mufflers
- Is there any upgraded radiator for Auto 335
- Is this normal??? crud under rocker cover pics attached
- PTF forum discount?
- JB4 Not Resetting
- Slight idle and less power but no codes
- anyone had a cracked oil filter cap?
- Limited-Slip Differential FAQ
- n54 vs n55 coilpacks?
- JB4 v28.82 TUNE ONLY Dyno Results
- Need Help From Tuners
- Car feels like it's gonna stall with light throttle
- How do I update my JB4?
- Single Turbo Questions
- Alpina Flash , Rev match on D only?
- 07 e90 335i with high speed fans on all the time
- New Injectors??? Need some advice on my build.
- TEASER: Sneak peak at some of the support mods for my build
- Please Help
- Rear Diverter Valve unhooked - what are the normal repercussions?
- do all downpipes smell, throw CELs and fail emissions testing?
- Procede V5 Rev 2.5 Help PLEASE!
- Tial/chargepipe install
- Dyno pulls tonight. Jb4 vs Cobb
- Leaking steering rack
- Rough cold start, code 2E91
- Bms (bb)backend flash
- E85 Fill Up w/gas can
- dual quad on HPF exhaust
- using meth with cobb
- How to measure boost?
- Transmission lagging?
- Coolant hose popped off
- Modding at 100k+ miles. Any precautions?
- Chargepipe Install: P2ABC and P2F08
- Procede 2.5 USB Driver
- new bov from turbo smart that use er charge pipe