- Aftermarket air filters, less restriction = more dirt?
- Help with misfire codes
- JB4 Back End Flash Users with MHD
- sticky Forge diverter valves
- Brand new blown turbo
- N54 XI oil pan baffle
- Thoughts on installing JB4 on a car with 125k miles??
- Pitting on OFH
- FS e92 Agency Power Catback exhaust
- MHD/WEDGE tune inside..E60 map ***now FBO+***
- Stage 2 lpfp questions
- Urgent - Engine Limp mode and surging after wastegate retrofit
- 2007 E90 VRSF Downpipes Rubbing? + Pics!
- Direct fit oil cooler upgrade
- AT to MT swap project (FINISHED)
- Help me and my fellow Z4 owners figure out our fueling.
- New Knock tables discovery and tuning discussion
- Wastegate Issues. JB4 fix? Replace with upgraded turbos?
- EBay Oil catch can
- Another doc race manifold
- Charge for turbo install?
- Finally found E85 locally...
- First Cobb Logs
- Question on Fuel-It stage 2 vs stage 3 LPFP
- MHD Logs. Timing Correction & Boost Target
- Oil Sensor ALWAY MAX
- HELP ME!!!! Post DP Fix
- CDA7 code
- Green or Yellow Springs?
- Charge Pipe leaking meth at TB
- Timing Table - US vs Euro Spec
- Cobb accessport question
- 335i going crazy! Alternator issues?
- Is this normal? LOG link attached!
- MHD dyno numbers are in!
- Forge DV Confusion
- what exactely is a back end flash
- Please help!!!
- Front mount vrsf
- Upgrading V4 to v5 Process?
- boosting to 7psi only. p30fc boost leak code
- Question About Jb4 Need Advice.
- Maintain your Forge Diverter Valves
- Help please!
- Spxxx MHD map and tuning FTW!!
- Meth install question
- Best performance upgrades for e90 335i
- High AIT with wagner evo 1, need bigger FMIC?
- Who's installed new inlets
- Experience with Kinugawa Billet Compressor Wheels
- Boost??
- Need Help with MHD Stage 1 + FMIC Logs.
- What did I just cut while removing bumper shroud?
- My New Stage 2 Turbos. But!!
- New DME
- Jb4 G4 or G5
- What is a good stage 2 turbo upgrade
- Boost solenoid problems
- CX Racing CP + Turbo XS RFL BOV
- MAPerformance downpipes? Any review?
- DINAN problems
- irregular performance
- Yellow ABS/DSC/Brake lights help please
- !!!07 E92 Smoking on Decel smells like burning plastic Help Please!!!
- ATM (Ambient Thermal Management) FMIC review vs ETS 5"
- Reduced power engine fault after catless downpipes and DCI
- She's shifting a bit rough these days
- MHD stage 2 map log, suggestions please
- Engine Temperature Warning (Amber)
- Meth kit install question
- Testing wastegates
- HPFP going bad?
- POst shift negative Timing drop OEM BMW map ? Know thing ?
- Blown turbo seals or something else? lots of white smoke (Videos included)
- What do you think about these logs (FBO e60 tune)
- 3 injectors are bad, dealer will only replace all 6?!
- Clutch pedal vibration
- 3 code after JB4 removal, HELP
- How bad can it be
- New stage 2 LPFP (with logs)
- Replace just injectors or also coil packs?
- Bluetooth Ethanol content analyzer and modified fuel lines
- Cobb AP OTS map 6AT flatlining fixed?
- Did Vrsf change their intercooler to not have brace?
- trick to getting junction box off intake manifold?
- Trying to diagnose injectors
- Backend flash question
- Chargepipe and BOV question?
- Help! Lots of white smoke, Milky oil cap, no codes or faults...
- Vrsf tbolt clamp sizes
- Upgraded To Hybrid Turbos Stg2 And Mmp Turbo Inlets
- SPX Tuning - N54 XI Dyno 452whp / 532wtq
- Long crank, not starting
- Custom Exhaust Recommendation / Opinions
- Can anyone comment on CPE Cat-Back??
- Should I go to the BMW museum in Europe
- Lost exhaust crackle/burble after JB4 install
- Single Turbo 2 step and pull videos
- JB4 Map Switch Lag Issues?
- FMIC rubber boots
- Can anyone identify my exhaust?
- Leaking Transmission Pan
- BMS chargepipe short review
- Walnut blast before or after tune or does it matter?
- engine steaming
- What mufflers for custom exhaust?
- Stock DV's with Tial flange?
- Remap dct vs auto
- MHD Flasher "Cannoct reach ECU"
- MAXBoost /// for MHD - general discussion
- PURE Stage 2 N54 Dyno Results!
- 335iS turbo upgrade
- Please help. Car is misfiring and ses light co es on?
- BMW Performance and IS Exhaust Questions
- JB4 stops working after 20 minutes of use
- Overheating Issue 2E81 & 2E82
- Misfirings after fixing Boost Leak
- Custom fueling?
- First Log with RB's&Inlets. Help
- Anyone running the Hexon RR550 turbos?
- E90 335i Chargepipe + TurboXS RFL BOV
- Safe to run map 1 and downpipes
- Misfire cyl 6
- Stock CP blown, need new one. What's better ER CP or AA CP w/bov kit? Need quick answ
- Where is this oil leak coming from
- E90 Resonator Delete / X-pipe install
- New Rear Inlet Fix during a Indy clutch replacement
- jb4 map 2 for with 91 octane safe? FBO
- 6Mt Transmission Help
- 335i inlet heatsoak?
- Switching tunes mean switching meth?
- Simple CP question:
- Both O2 sensor and low pressure fuel sensor at the same time?
- Newbie question about N54 engine
- E90 Jb4 Boost Issues
- 60k miles/Turbos question
- Really Loud Exhaust Backfiring - Cause?
- I just installed catless down pipes not I have cat code p0420 Help!!
- Catch can for single turbo N54?
- Procede Rev3 and Meth control
- Just added some mods and now I hear a strange noise....
- Do you replace valve cover bolts?
- Cabin vibration coming to a stop?
- Meth and e85 question
- P2c9e CEL after VRSF DPs install
- ER charge pipe installation trouble; Please help
- Misfire cylinder 5 misfire cylinder 6 multiple misfire code
- Best place to buy serpentine belt?
- JB4 noob question
- Wedge/MHD E60 335xi Mustang Dyno (425awhp/500wtq)
- VRSF 5" Stepped IC Installed!
- mhd / inpa
- Afe Mach Force exhaust (used)
- Help diagnose this sound *sound clip included*
- quick easy question. un marry cobb without stock back up
- Single turbo, O2s after turbo
- car feels dead after updating jb4 g5iso
- Engine light keeps coming back! Bad O2 sensors?
- I've been away for a couple years
- Fueling Issues
- VRSF 7" intercooler install
- JB4 fuel economy?
- 100% stock .....
- Turning engine without oil
- Bad Spark plugs? usual idle, and rough acceleration
- Where to go from here?
- Noob here, what's the difference between something like a JB4 and a "flash tune"
- Upgrade your Tial BOV vacuum line!
- Walnut blast question
- Jb4 dosen't want to save my settings
- did my turbo go bye bye??
- MHD Pump flash with jb4
- cp replacement a lot of oil on the oem cp
- Is this how your automatic transmission shifts too?
- First logs after DP install -- Please take a look
- mhd logs, not good, help
- Anybody have er chargepipe and Turbosmart kompact plumb back do experience?
- Overboost and CEL
- Question About MHD Stage 1 Tunes With Downpipes
- My Beemer is scaring me ;( help
- .
- cylinder misfire coil replacement question
- What is this ?
- New Delphi GN10571 Coils Cheap!
- MHD tuning question - e40
- Chasing Misfires
- Does the mhd pump flash disable 30ff codes?
- For those who have acceleration/low throttle rattle
- Terrible Cylinder 2 misfire. Cannot correct. Ideas?
- Did my first oil change, now I have a few questions..
- Jb4 2step issues
- Diagnosing mi oil leak
- Definitive MHD/Cobb/JB4/Procede comparison. (Flash vs. stacked vs. Piggyback)
- 21 psi on 92 oct?
- Trans Failsafe after switching MHD Maps
- DV install plastic Y connection pipe disintigrates
- MHD - high risk?
- octane booster!
- Exhausts like the M3
- MHD Stage 1 93 vs DINAN Stg 2
- Boost ok?
- Low Dyno whp numbers? + Dyno Charts!
- MHD e40 Datalogs - Stock Fuel
- RB PCV, VRSF CP, Turbosmart Plumb Back, and M3 cowl Saturday install
- I need some suggestions for this project
- MHD Flash tuning @ proTUNING Freaks
- VRSF downpipes installed
- Tiny coolant leak or worse?
- JB4 Code Autoclear (S/T 1/3) - What codes does it clear?
- MHD Stage 1 without walnut blast?
- 30ff Only when Flashed Stage 1
- Interesting code and issue
- Clutch issue or am I crazy?
- Procede REV3 (few questions)
- MHD stage 1 tune
- New SPX MHD & JB4 Maps
- Are there any cheaper oil catch can solutions?
- Did I buy the wrong charge pipe and bov?
- MHD flasher HELPP!!
- Turbo lag reduction
- Crazy question re AEM Meth. Kit
- Oxygen sensor failure
- 30FF Diagnosis
- VANOS codes after belt swap?
- Noobie help: Engine half power light and Instrument cluster failure??
- Jb4 ISO 31
- What are some good parts to replace on a valve cover job?
- Best route fixing 30ba (DME failure) problem?
- Needed: COBB race code for MSD80 / I8A0S
- Making less power after inlets??
- xi dp moving, without removing, possible?
- Deleted my cats, ALOT OF SMOKE
- Death rattle? Is this my wastegate?
- Can anyone recommend a good gasket sealant?
- Question about OEM performance exhaust
- New York Members!! Can I Pass Ny Emissions With Jb4?
- Save my 335i
- Car Caught On Fire Near O2 Sensors!!
- Strong gas smell lots of white smoke from exhaust
- Oil leaking from chargepipe..normal?
- HEXON RR550 - Turbo Review by WedgePerformance
- Damaged FMIC - thoughts on installing anyway?
- Vibration from Rear
- How does this log look?
- E90 Small to Large Pumpkin Swap
- Having problems installing MHD
- 2007 335i New Injectors Question
- Stick with Cobb or change to JB4/MHD with Hybrids.
- BOV or throttle problem?
- Quick MHD question