- 93 Octane Los Angeles Area?
- My new toy after totaling my One. Also, some new mods.
- 1M exhaust on 135i Complete Info w/ PN and pics
- map 2 problem...
- Is anyone going to make an aftermarket turbo for the N55?
- Oil Thermostat Question?
- JB4 Map 2 log vs map 5 log
- BOV muzzle / silencer?
- list all the crap that's broken on your 135i since you've had it.
- High Performance Ignition Coils ?
- Install time required???
- jb4 power lost on 5th...
- Short Throw Shifter - Not that great?
- COBB Stage 1 Comparable to 1M Power ?
- this is my log, ur opinions plz
- Vrsf 7 fmic
- For those waiting for the real big power push...
- Is Petro Canada 94 ok For Stage1+ maps?
- Help a newbie decide which tune may be best option
- N55 Dyno before and after
- When To Replace Turbos..
- Upgrading Manual Trans/Diff Fluid
- Sick of the drone
- Anyone know a person that can install intercoolers?
- Dyno'd my 2013
- Anyone have issues with JB4 and charge pipe?
- N54 seems "laggy" after bolt ons
- Warranty on 2009 135i
- N54 vs N55
- Exhaust Advice - Berk Street
- Anyone care to examine my map1 logs?
- FMIC Support Bolt's
- Turbo Whining?
- BMW perf. Shift carrier needed?
- Aftermarket FMIC vs BMW Performance Power kit S2 cooling
- idle change upon clutch depression
- Jb4 newbie, map 1 vs map 5 interesting
- Godspeed intercooler help!!
- Question about Berk Tech. Street Exhaust
- JB4 ISO Feedback?
- Stage 1 sport Map , Faster than the M3
- x-35 engine black puff?
- Any Brand Downpipe with Cobb Stage 2 Sport 135i
- Catless DP choice N55 (full berk race curently)
- Stett Charge Pipe/tial Bov With Stock Box?
- What exhaust?
- JB4 "stutter" engine shake/vibrations
- Exhaust Burble w/ PPK I - Does it really exist?
- Need help ASAP ! Godspeed intercooler
- n55 cobb stage 1+ sport data log (knowledge please)
- New shock mounts?
- BMW Performance Exhaust Y-Pipe?
- Misfire Issue & Internals Upgrade Suggestion
- Can someone help me understand the JB4 tuning?
- 2EE3 & 2EE0 Codes
- What to do next...?
- Just installed JB4
- Desperately need Charge pipe o ring and meth elbow!!
- Charge pipe/Tial /w Injen Intake fitment?
- Talked to service rep about whether JB4 detectable
- Intake help!!
- n55 JB4 Stage 2 vibration?
- tune comparison for N55?
- E85 information!
- Vrsf 7" intercooler question
- E85 program for 399
- n55 jb4 dyno
- 82k miles clutch going out.
- Meth Spray Start-Up Pressure
- rear seats...
- about differential...l
- My new Quad Turbo back
- Noise from front passenger side.
- To N55 Mid Pipe or to not...
- Burning oil
- DCT noise. What is normal?
- 51K water pump failed
- Which DP N55 135i? Berk, AR, BMS, or VRSF
- Berk mid pipes with active autowreke axle back?
- White Smoke on startup
- Losing/Burning Oil?
- Dumb question
- 3rd time "Check Engine Soon" Light gone.
- Service engine soon warning
- JB3
- BMS Dual Cone Intake Question
- JZW TUNING IN SAN DIEGO This Weekend!
- Cold air intake, myth busters
- DP Install in NOVA
- Need Help: Buy Charge Pipe or Not?
- strange misfire
- Swap hard vacuum line to soft line?
- Coding Meet Tomorrow
- Canister Style Exhaust
- Trip to NED Earlier This Week
- Upgraded DVs vs. BOV experience?
- In/Out Sports mode?
- n54 grinding / rattle sound from front of engine
- DC/ MD area...JB4 install and adjust
- Diff install parts
- COBB N55 Stage 1+ FMIC or Stage 2 DP Comparison?
- Can Tool question.
- Cobb AP New User - Erratic performance through rev range. Please Help
- Reading Cobb logs
- Charge pipe question
- Anybody running Megan downpipes?
- Wagner vs Forge IC
- ETS CP and Tial BOV giving codes
- Hurts to be poor
- no boost pressure
- Wagner Intercooler broke....
- Intake valve cleaning under warrantee?
- N55 VANOS issues, be cautious!!
- Stage 2 Cobb AP W/ Apina Flash
- JB4 log help please
- Service Engine Soon After Catless DP
- 41k miles and new injectors?
- First time at the track
- Your opinions, Preferred N55 tune for DD and Autobahn
- Which cylinder is cylinder 1?
- Does wastegate rattle affect turbo performance
- JB4: 460rw stock turbos!
- Tee Mod
- Missfire! Pls help
- Cobb - linear vs. stock throttle affect dyno graph??
- Dinan vs BMW PE
- Cyl 1 and 3 missing , white stuff on coils? Cobb Tune
- Vargas Stage 3+ Turbos
- Check engine light and vibration when manually shifting in M
- Need help please!
- Maddad mids vs. PE y pipe + n55 mids
- Gains with PE
- VSRF N55 DP - Anyone tried it?
- JB4 Map 5
- BMS Low Temp Thermostat - Preliminary Results
- VRSF 5" intercooler?
- HKS SSQV Spring
- N54 MAP sensor part number???
- E100?
- n54 Muffler Delete
- Pss, Ppk & Pe
- N55 BMS oil catch can install - engine cover touching w/ pics
- PTF Stage 2 Dyno and Review
- Car stutter
- Alpina TCU flash
- Insurance claim --- Exhaust Upgrade! (vote)
- N54 throttle body
- Which FMIC?
- Excessive Oil On Under shield?
- SES light after new wheels installed..?
- Which error light is this
- O2 sensor?
- Muffler delete
- Dinan vs. cobb. vs procede...
- Exhaust Tip Replacements
- New 2010 135i Owner
- high-pitched vibration noise on accel./clutch engage
- Help with Cobb AP install for N55
- What are the benefits...
- Running JB4 on Ubuntu
- HELP! Weird noises during Cobb AP install normal???
- Are the N54 and N55 exhausts interchangeable from the downpipe back?
- retro-fit/after market quad exhaust diffuser.
- HELP! car limp mode..code..
- Is A reinforced driveshaft absolutly ,100% a necessity when having FFtec Turbo
- Purring water pump?
- Turbo timer?
- Forged MS Wastegate
- I'm not gonna blow up my car using race gas, right?
- Jb4 troubles
- Vanos went out!
- 08 135i Fuel Tank Vent Valve Part#
- New turbos at 81k miles
- Have an idea for the 6AT maybe it will work
- Mods, please delete
- Mods, Please delete
- Mods, Please delete
- 135i n55 dct differential recommendation?
- BMS Oil Catch Can Review
- Rear Differential Recommendation
- What would you pay for this 135i?
- custom exhaust fabrication $$? quad...
- Turbo Modifications on the N54 Platform.
- N55 135i 0-60mph in 4.4 Sec w/ COBB Stage 1+
- For those running meth (map 3) + G5 board...
- Car throwing code P0036
- Code P119A - Manifold Pressure Sensor.
- A different 2A82 mystery
- Carbon fiber front seats..
- next exhaust piece
- quad exhaust help....
- Just install my Cobb and holy cow!
- 09 135i Cobb stage2+ agressive Mustang awd Dyno
- Is the BMS quick install N55 Meth Kit compatible with the N54
- 08 135i with M track package-LSD???
- JB4 Code 2842
- which LSD?
- Cobb AP with aftermarket exhaust
- pardon my noob question...2 step?
- dealer visit help...wheel bend the issue?
- Catless Pipes causing Engine Light?
- BMS 3" downpipes/Berk Exhaust Cobb OTS Stage 2
- mods against boss 302
- warranty work with dp in
- Where to install AR Design Stage 1 oill cooler
- Question: Injen intake w/ AR Design DP's
- Coil On Plug Diagnostic Tools
- Trouble removing charge pipe - N55
- Coolant Temp gradient code with Piggyback (Vishnu/JB4)
- STETT CAI
- Retrofit MDM on non M car?
- Bov or Diverter
- having the 135 for 6 years plus
- Bad Idea to Run car with JB4 Off?
- Faulty Oil Level Sensor or Burning Oil?
- Overkill?
- Group Buy for Catted Downpipes...has there been one?
- CDV Delete/Replacement Problems???
- 135is owners
- Who wants to take a look at my log?
- Sport Mode on/off
- Question about Electric Water Pump Communication
- When removing jb4
- 1/2 CEL under full Load then Disappeared. Thoughts?
- 1m Cluster on 135i illegal??
- Anyone know a mechanic in San Diego to install FMIC, exhaust etc?
- 135i Convertible Downpipe Install Issue
- Active Autowerke n55 DP on sale today $399!!
- Cobb Datalog Read
- Upgraded FMIC Efficiency Questions
- Quick Downpipe Questions
- JB4 ISO N55 - 2200 RPM stuck
- Loss of power and louder engine note
- Road Racing The Bmw 135i
- Maddad Exhaust
- Forge DVs
- Ethanol content gauge. Anyone using one?
- Turbo size in mm
- BMW performance SSK vs Dinan
- Need help with my options! Solid advice needed by the pros!!
- change it or no?
- Cobb AP N55 on Track
- Engine Brake
- N55 VRSF Downpipe Review/Install/Issues/Questions
- What gas station do you like and why?
- JB4 removed for service problem. Please help me asap
- FBO 135i to FBO E89 Z4 35i
- COBB/Catless DP Emissions
- Adding Resonators to N55 Mid-Pipes. Anyone do it?
- GIAC Stage 1 for 2013 135i N55 Engine???