- Dyno Expectations
- N54 Dyno Results Part II: Intercooler Upgrade +26whp +29wtq / Cobb OTS vs Pro Tune
- Odd codes this morning
- JB4 g5 doesn't feel good as g4??
- Extra oil cooler or radiator?
- Alpina B3 Flash
- Chatter chatter chatter
- VANOS Assembly Bolt Recall
- What mod next:RBs or LSD?!
- Berk race to loud?
- chargepipe installation question
- Intake valve cleaning
- Berk street axle back
- Limp mode at the track.
- JB+ Advice
- Will the dealer mind?
- someone please recommend me a axle back....
- This is kind of embarrassing
- High Altitude PTF Custom Tune
- DIY dp fix
- Torco with COBB
- DMTL pump location on 135i
- N55 Big Turbo
- Building a 135i Racecar
- clutch n55 upgrade or ome?
- 1
- can it be the clutch?
- Helene Performance Air Filter for N55
- Engine stuttering/choking under light throttle HELP!
- exhausted about exhaust.
- N54 old vs new turbos
- Just got JB4, need charge pipe and DV
- DCT and SMGII comparison
- Best Downpipes
- Blown turbos, UPGrade to RB or Vargas stage 2
- Dyno - Map 7 - N55 - 360whp, 444wtq
- VSRF FMIC Crooked?
- Oil thermostat delete plate
- Issue with RPM hanging after rev.
- Question on new exhaust
- R u guys burning oil?
- Which BOV sounds similar to $2 bov mod.
- JB4, emissions, can't find BMS fix, install stock DP's to complete readiness?
- P10CF after walbro install
- LPFP log does this look normal? HELP
- Hexon hybrids
- jb4 CEL/SES flashes
- RESOLVED! 29E2 and 29F2 Codes and Half Engine Limp Mode
- Parts needed for new exhaust install
- Calling out Einser 1m
- LSD upgrade
- Exhaust gasket
- S55 Swap???
- Afe Vs Berk
- AFE Scorcher Module
- N55 Vargas Stage 2 DBB Turbo Pump Gas Dyno
- Dinan warranty?
- Cobb Accessport question
- RB Turbo Procede Log and Virtual Dyno
- no cruise control after bms race flash
- Installed Berk Street
- JB4 setup
- True Quads for 135i... Coming soon!
- Incidence of Stock Muffler and CAN Flap on Overall Sound
- Straight Pipes from Turbos Back
- getting a deal on a water pump/ thermastat
- Help. Quad exhaust
- PPK2 parts
- Oil Cooler Valve
- Error code cobb
- N54 Injector swap. Fuel sprayed into spark plug hole...
- Replacing my own clutch. Reassure me.
- 135i Maintenance Schedule & Material Costs
- Charge pipe differences?
- Please Help Diagnose This Sound
- MPH & RPM's
- How to Get Dealer To Replace HPFP
- Charge air pressure too low
- Went into limp mode, Code 30FF
- Where is fuel filter e82 n54??
- How cool is too cool
- Strut Tower Bolts
- two nozzles?
- surging (sputter) air sound?? leak or DV?? help
- Failing Charge-pipe/BOV
- Dinan Stage 2 to Stage 3
- Shifter vibration ?
- More E85 please
- N55 overboosting and throwing codes
- Jb4 maxcool mode
- 08 135i 6MT Stock Turbos FBO E50 Mustang Dyno 418/435!
- N55 fmic list?
- Is this wastegate rattle
- Mushy tranny (input please)
- Input on datalogs please
- Installed AccessPort now killing ignition coils
- rear diffuser question
- Anyone tuning with Cobb?
- RSC Auto trans tune installed - awesome!
- Experience With Aftermarket Clutch?
- Vrsf 5" Fmic V2
- Gas and Oil Gauges
- ER CP and VRSF fmic install...missing parts?
- VRSF 5" Stepped FMIC Install / Review
- .
- ER N55 CP & AA FMIC via Extreme Powerhouse REVIEW
- Remus race quad exhaust question
- will vacuum pump leak cause 30FF boost leak code?
- Charge Pipe oops
- Im at the track
- How to upload the firmware to the JB4?
- N55 pure turbo group buy
- Low coolant sign then coolant splatter near expansion tank.
- Help - Upgrading from G4 to G5 JB4 boards
- Spark plugs for N55 Engine
- turbo seal questions
- COBB Datalog N55 @ Stage 1+FMIC Sport (Now with PTF eTune)
- Mid Pipe Question
- N54 Vanos
- Chargepipe install and help?
- Losing boost in 4/3 gear WOT
- BMS E85 flash
- my new exhaust
- jb4 gauge sweep while driving
- First Log advice
- First JB4 G5 Datalog
- Tunes for 135is
- jb4 question
- bmw n55 motor plastic pipe from turbo
- Torque specs for oil change and spark plugs
- Boost Leak But No Codes?
- best DP for N54
- Decipher my logs please
- Pure turbos shout out
- PTF/MOTIV Motorsport/OVERREV Fabrication at UTCC
- Oil cooler ??
- Rough idle/Jumpy AFRs
- N55 Oil on Charge Pipe
- how hard is it to access the hpfp on an n55?
- Some questions: IC/Meth/e85
- Help, please review my logs...
- N55 mid pipes on n54 and related exhaust parts
- Oil leak help?
- BIMMERFEST 2014 eastcoast. Any newyorkers
- Does BT cable use/need an open VIN?
- NEWB COBB question
- JB4 logging feedback please! :D
- Cracked valve cover gasket at 39k miles
- Has anyone tried making their own BMW Intake?
- Snow Performance Stage 2 Water Methanol Kit 20010
- bmw cobb stage 1 charge pipe issue
- selling n55 parts discount
- ODB2 monitor
- MOTIV Motorsport/PTF Hardware release
- Back End Flash
- 1 Series differential swap
- BMS CAN-Tool
- N54 Rear Turbo Part Number Question
- Power surges and misfires. Valve cleaning to the rescue..
- COBB N54 High Flow Catted DP's
- Stacking Cobb & JB4
- JB4 n55 NA Mode
- Misfire on e85, weird cold start morning after
- Dynos for PPK1 and BMW PE
- Jb4 e85 wire
- Cobb tuner and mods question... Help,please
- Pump and BB flash results
- Remus Race Quad Exhaust review/pics
- Which intercooler?
- E85 compatable
- Weird DCT/JB4 issue?
- Just Bought Maddad Mids and Whisper Exhaust
- Idle and Stalling Issue
- N55 software update
- tial q bov not opening and no sound
- Water Pump Blues
- Anyone know if a BOV fits under the Dinan Intake?
- questions about the Performance exhust
- MAF sensor BMW 135i N55
- Engine coughs / jerks after cold start
- 1M downpipes on a 135i
- If it isn't broke don't fix it VS. Take the best and make it better...
- will a ER charge pipe with tial or hks bov fit with injen dci?
- Cobb V3 tune and Meth question
- N55 catted DP worth it with a PPK tune?
- N54 and N54T difference?
- MFactory LSD with 3.46 final drive review
- PnP FMIC Options
- Can someone please take a look at some logs?
- LSD Cost, manual vs DCT
- N55 catless dp + inspection
- Wagner Tuning N55 Downpipe
- 2011 135i periodically can't engage 1st gear
- Second gear notchy with B&M short shifter
- Low idle after flash
- Walnut Shell Blasting Results - 49k miles
- N54 - Supersprint 1M (Race) vs Akrapovic 1M?
- Dinan Stage 3 engine sound
- Fine with power, but want that downpipe burble
- Your exhaust note & setup!
- 2000-2700rpm surge
- Exterior light out??
- Fluttering noise on cold starts (new maddad mids) Video
- Any way to disable PPK1?
- Downeaster1's 135is Build
- Sinister's SGM 135i
- Custom quad exhaust help
- 2011 135i E88 drops iDrive Radio Presets
- 3rd gear pull with log
- driveline vibration at 80+
- PPK1 or BMW performance exhaust
- Dinan Tune - Keep it?
- What kind of downpipe?
- WTB: DP FIX
- Is this normal?
- Pinion torque specs
- Noisy clutch release bearing 135i
- N55 w/PPK1 vs M235i
- Oil Filter Housing Gasket Leak
- Clutches
- Methanol Questions !
- Replacing Midpipe Cats with Resonators
- Custom Manifold WIP
- P2243 & P3026 Fault Codes
- VANOS Again
- White 1er in Cape Coral, you here?
- New wheels, cleaning up the hubs (or whatever they are called)
- Did I get a bad batch of vrsf downpipes?
- To 135is owners ..
- 1M secondary Cat/Resonator on 135i
- Clutch Slipping at 46,000 miles
- N55 FBO + Meth+ VTT Turbo + jb4 + cobb backend = errors!
- 135i N54 cobb ap 2 bmw-001
- fuel pump and misfires
- replacing coils
- N54 135i tuning question
- Coolant expansion tank cap no longer tight.
- Charge pipe, worth it?
- 135i Cobb N54 Auto Problems
- N54 turbo manifold gasket installation
- N55 PPK2 Dyno result w/FMIC upgrade
- Carbon Cleaning - Subaru Upper Engine cleaner
- Turbo siren?? Brand new turbo
- Misfire Cyl 4-6
- 135i evolve stage 1
- berk exhaust
- FMIC recommendations
- Trying to Buy a BMS DCI But Can't Cause I'm in CA - HELP!
- Q about Injectors.
- Dropped something in the engine bay...