- HELP! What is this noise?
- Low Boost Pressure After DP Install
- Taking in for turbo warranty, just a few last questions.
- Limp mode problem!
- Engine Oil light is on after recent Oil Change
- MHD .bin help!
- Improving Shift Feel - SSK?
- Meisterschaft e92 n55 Downpipe question
- AR Padua N54 Single Turbo Setup
- Car is at dealership, they can't duplicate issues
- Fuel-It Stage 1 on pump gas?
- Extreme Power House Upgraded shipping boxes for the Burger Tuning JB and JB4
- Would this cause coolant leaking / coolant low?
- Cobb Accesstuner Race--Remap Cobb Yourself
- 1M replica bumper diffuser exhaust fitments
- BOV sticking open
- N54 with 2 N55 turbos
- HEEELLPPP
- 5 Suspension Mods That Can Ruin Your Car
- Who has tried this MHD mount?
- DCT delay fixed
- Limp mode power without Limp mode/SES light
- Confused ???
- M Performance Exhaust
- VTT Turbo: Make a Guess whether a good or bad comments is coming?
- BOV release while on throttle
- Dyno Session W/ESS tuned 135i!
- WOT misfire at 4-5k
- Accessport Gauages to monitor mods
- N55 engine DEAD!!!
- JB4 on top of Dinan?
- 135i N55 Jb4 vs 435i N55 ECU Tuning
- P30FF, help please!!!
- whistle
- Oil found next to coil (N54)
- Walnut blasting bay area
- Installed JB4 now bad waste gate rattle
- Installed jb4 back into car now car won't run
- Active Autowerke FMIC or Wagner?
- How ridiculous is this estimate? HAHA
- My 135i vs. CTS-V, GT500, Viper ACR, 335i, C5 Z06, S6, etc.
- jb4 map 5...only boost to 6psi
- DELETE
- what is this noise? (video)
- Jb4 pin out harness
- BMR 3.5" Single Turbo Exhaust
- What is the setup on this car?
- AA FMIC Fitment
- FMI KIT with piping Vs no piping
- Another Happy ProTuningFreaks Custom Tune
- Please help any idea what happened?
- nevermind
- 135is Dinan Stage 3 Dynapack
- Does anyone have a sound clip of the AFE Catless Resonated DP for the N55?
- miss fire at low rpm on highway/running lean bank 2
- "Ultimate Clutch Pedal" or.... ???
- PCV VTA?
- Going crazy....
- Running lean logs jb4 fbo
- Which Flash Map?
- Cobb Stage 1+ Drive vs Sport Mapping on California gas
- Need help with code descriptions
- How to tell if my N55 has been tuned?
- Can anyone in south Florida install exhaust
- Slightly rough idle and hesitation.
- JB4 App
- Magnaflow Axle Back?
- weird squeek noise after installing JB4 VIDEO INSIDE
- Are the turbo heat shields necessary?
- P3 Gauge w OBD2?
- Anyone in south florida know a good wheel repair shop?
- 3.08 vs 3.46:1 LSD
- speeding
- Transmission issues (video inside)
- Bms meth kit tank
- Cobb AP can't be installed post software update (2011 135i)
- Introducing the New 7.5 inch RACE intercooler from VRSF
- Catless DP and Options to reduce smell
- Possible HPFP issue please help
- Running E30 with MHD tunes
- whitish smoke from exhaust/carbon buildup
- Anyone has stock exhaust tips off?
- Quick jbj4 question ASAP
- 100k mile stock? Clutch
- Ethanol Question
- Water pump failure signs
- Video request: N55 with N54 mids and catless DP?
- Question on Cobb Std Throttle maps?
- boost pressure reduction at high gears!!!???
- N55 P36CA code - What does it really mean?
- Is my pulley or belt on its way out?
- Dyno day!
- Burned out 02 Sensor?
- Whining noise during hot weather (video)
- -42 charge air temp reading on cobb v3 n54 135i
- N55 with DCT RPMs fluctiation with AC On Finally Resolved!
- Squealing noise, need opinions!
- Installing AR Design Downpipes
- Figure out my code problem
- Squeaking from belt or pulley - any guesses?
- Help me choose - PI kit
- Is the Phoenix Racing Aluminum Replacement Chargepipe worth the savings?
- Walk me through Cobb v JB4 (complete noob)
- N55 pure stg2 impressions, E50 dyno
- New tuner looking for guidance.
- New 135 MHD tune -- SES light on, no codes
- Waterpump out the window?
- Alternator sending 17 volts.. Help :)
- Thinking of just gutting my catted DPs... am I insane?
- Cobb AP...did I mess up???
- Brand NEW Turbo Blown Off after 4000miles?
- Downpipe on a convertible
- 2011-2012 difference?? 135i
- Delete
- How to replace thermostat plug?
- HELP!
- n55 multiple misfires and ses
- ARM racing Intercooler review w/ IAT and etc
- Boston area flashing.
- 135i Turbo and F30 335i Turbo Swap possible?
- n54 running lean in midrange.
- Replacing fuel injectors after 100,000 miles?
- Bad thermostat?
- Cobb AP Stage 1 Aggressive, High Altitude
- End of Warranty
- Stage 2 Dyno guess
- Odd speedometer issue
- water pump toast after 33,3xx miles....?
- (UPDATED) Photos & Videos of exhaust setup & MHD Tuning Exhaust Burble option
- Stock FMIC R&R?
- Dinan P1 Power Package
- DCT not going into park
- Waste gate rattle only when car is warm
- dct wheel work with steptronic paddles?
- JB4 compatibility
- Need a log of wgdc stock tune n54
- Looking for N55 PPK experience. Throttle response?
- Downpipe Rattle - Where to start?
- Let's talk charge pipes
- Mystery Problem
- Monitoring LPFP/HPFP with Just Cobb AP, No JB4 for the N55
- Where can I get the best price on N54 turbos?
- HELP please boost issues
- Cobb Charge Pipe N54
- Just flashed mhd getting error
- PE and Downpipe Decision
- Installing jb4
- Lower charge pipe issue
- BMW Power pack+JB4 Compatibility?
- MFactory LSD Recall
- Post DP install codes, would like some feedback to ensure I'm on the right track
- Testing the Oil Level Sensor
- N55 BMS Intake Rub -- MAF Screw on Cowl
- Mitsubishi Turbos as a stock replacement?
- Weird/dumb question.
- E85 calculator ?
- Another misfire thread -- Persistent 29D2 Cylinder 6 code at all times
- chargepipe and intake
- LSD install info needed.
- Low Boost Pressure
- LSD on 100k miles diff. Help.
- Clamping force DCT
- 360whp @ 10psi
- LSD installation. Help
- Octane
- Sound Generator Delete
- AEM Multi Input Meth Kit 30-3350 Install Advice N55
- Good or bad deal?
- 2011 BMW 135i N55 JB4 problems...
- Wastegate Rattle: identifying front or rear waste gate
- Strange Exhaust Issue
- Any downpipes provide the power benefit without the noise?
- Picked up a flood damaged 135i..
- p2c57 can someone look at my logs
- Ac problem.. Car turning off..
- So I installed an MHD OTS tune...
- 98DOB rom and Cobb Accesstuner
- Installed a Wagner catted DP (N55)
- Monitoring engine parameters (MDH??)
- charcoal box relocate
- Burnt Titanium Exhaust tips
- NEED HELP: Turbo and clutch install
- O2 sensors swapped, anything I should be worried about?
- N55 MT 2011 software update question
- Oil Cap Insert: NEED HELP
- Seeking west coast based dealer for Wagner Evo 2 intercooler
- Is updating JB4 firmware necessary prior to MHD backend flash?
- Typical Boost with Cobb AP 3?
- N54 stall at start
- Help finding axle supplier?
- HELP! Car won't go into gear
- Water Pump Issues
- 60k maintenance on a N55?
- What maintenance is left before I tune my car?
- Gearbox and clutch issues...
- 2012 135i Failing HPFP replaced under 8 year 80k warranty
- RB turbo upgrades
- NEED HELP
- Latest firmware fixes?
- ******** COBB Protuning and MHD Custom Tuning
- Snap on digital video scope + 65K N55 ENGINE & head porting results ?
- Advice/Opinions on Wastegate Rattle
- radiator upgrade?
- Performance reduction???
- VW Waste gate anti rattle actuator rod clip...
- Tial Valve- correct spring?
- 135i driver side click sound
- DIY Experiment - Dual Cone Filters in Custom Colors
- Help!! Misfire cylinder 6
- N55 jb4 install help
- Won't go into reverse gear?
- VRSF 1000whp 7.5" Race FMIC Pre-order Now Available!
- Vishnu N54 tune for N55
- Teach a dummy how to read fuel trims?
- TGS N55 PPK Install
- No Boost Help!!?
- Best current tuning options?
- HVAC (Air condition compressor) question..
- rear air duct 13717556550
- p3100 P2abc
- Downpipe design question. O2 sensor
- bmw p2c08
- Help: smoking
- Running Jb4 AND Cobb
- N55: upgrading the Internal wastegate actuator ?
- Installing Midpipe with just a floor jack?
- Was about to replace injectors but...
- 135i n55 year 2013 - DCT transmission issue HELP !
- Second low boost code
- Has anyone built their own stage 2 LPFP?
- Weird squealing noise when slowing down
- Berk Street Axleback modded?
- Midpipes: Berk vs AP vs Maddad
- n54 30ff no leaks and limp mode
- Quick, stupid question about cables and winkfp
- Oil out of bov/car shaking under load
- belt creaks? video attached
- 29D0 misfiring cylinder 4 after MHD stage 1
- N54 Downpipe Fix
- New turbos and Wastegate rattle
- BMW PE for 2008 135i
- 2010 135i Dynojet Results (DP, CAI, Meth, Tune)
- JB4 Info
- Car not as loud anymore????
- LSD with 323 gears
- Exhaust questions
- Name This Hose
- Exhaust popping sounds at idle
- Battery replacement help
- Maddad or Berk Racing?