- Sprint Booster e-gas chip...
- High Mileage 135i
- How do you like the n55?
- Drop in Afe filter, yea or nay??
- Low pressure fuel sensor woes
- Jzw Ppc Hand Held Tuner
- New Fuel Injector, same type need coding?
- Tuning an N54 A/T
- Virtual Dyno+Cobb Logs
- How's the smell with your downpipes?
- Looking to go LSD? The diff you should all buy...
- How do you achieve this noise?
- Max Tune
- 2011 135i DCT - opinions needed before dealer visit (UK)
- N55 Downpipe/JB4 question
- N54 Evolution Racewerks Chargepipe w/ VRSF 5in Intercooler Install
- 135i SBO e30 Dyno Run
- Does anyone sell something to block off diverter valve holes?
- N55 Downpipe question
- Waste gate actuating arm connection
- 135I bone stock make it to 100k miles?
- Question about cobb
- So how's the N55 Cobb doing?
- How fast do you get hot?
- Fmic or charge pipe
- Venting stock DV to atmosphere
- Atr and e30
- What?!
- hello i have my new 135i dct photos and questions about gearbox :D
- P3Cars vent gauge dimming hookup question
- Lots of Fun This Week - N55 HPFP Failure....
- P30FF
- My problems with the N55 motor
- Any way to tell if it's an LSD?
- Wastegate rattle?
- Before and after; what a difference
- N55 Catless downpipe - what codes do you throw?
- Introduction to Tunning
- BMS Downpipe Fix
- INPA reset adaptations error
- Cobb Datalogs
- Limp mode and DIY repair/reset?
- PE and HP
- DCT possable issues?
- JB4 Need help please
- sonething is blowing up :(
- sonething is blowing up :(
- sonething is blowing up :(
- Which FMIC ?
- JB4 ?
- JB4 on otherwise stock 135i - Map 1 or 5?
- Kitty Less Downpipes With Berk Full Race Question
- Does the RDC module need to be coded?
- Axelback vs Catback
- Take a look at my log before I buy a PTF etune
- Engine Malfunction :(
- How's my log look - pulling ~5 degrees in the midrange...
- AR DP and emissions
- Went to the track tonight
- AR Resonated And Berk Street Back
- Another (Long) Pedal Box Review
- 3 inch catless with stock exhaust question
- BMS Stage 1 Check engine comes and goes
- help tapping intake manifold for boost gauge
- 2-piece brake rotors...options?
- Couple questions about midpipes
- N55 Engine Full Technical Info and Service Information Manual
- Radiator fan tempature?
- Berk Midpipes on N55
- It doesnt hurt to ask you SA for a price break
- question about intake or cold air intake and downpipe 135i n55
- Too much power?
- N54 w/Performance Exhaust and N55 mids... anyone running this combo?
- Problem solved....
- Ignition Issues - NLS? 2E77, 2E19, 2E16, 2E2=
- Jb4 problems
- DTC 1, 2?
- Ecs charge pipe bov?
- How can u tell what flash a car has?
- Easy way to make the exhaust quieter?
- N54 Oil cooler options
- Boosted battery failed water pump?
- n54 steptonic with exhaust?
- Error code P2EF7
- Running e85 with jb3?
- Anyone DD a 135i and not have codes...
- Shuddering under acceleration
- Higher Idle with e45/50 blend
- Synapse BOV no working :(
- Cobb Data Log
- Failed water or fuel pump while on Cobb
- How to unlock hidden e60 5 series sport mode button...
- Ummm... where's the DME actually located?
- Jb4 problem
- ER Charge Pipe pop-out problem, need advise ASAP
- quad exhaust retrofit
- Raze Carbon Fiber Trim e82
- AR DP fitment issue??
- Downpipe Help
- Can u I.D. This?
- car randomly turned off in traffic today?
- Tailpipe Sagging - Broken Exhaust Hanger
- Need help Pilot Bearing throw out
- Engine prep for Meth?
- 2nd charge pipe vacuum line?
- N55 Jb4 Problem
- Anyone hear a clunk when power launcing? Step N54
- My Straight E85 N54 Dyno, No meth!
- Does N54 Dinan Stage 2 raise redline limiter to 7400?
- Bad hesitation at WOT
- Anyone with transmission issues, read this.
- Car smells like gas, help
- Anyone with this exhaust combo?
- help!
- Just had Perf Exhaust put on, sounds great - loss of power?
- BMS Can-tool w/catless DP (n55)
- N55 ROM the good and the bad
- JB4
- Why is my PWM going to zero?!?
- E88 specific exhaust hanger rattle
- A problem with a missing hose
- Crazy idea?
- oil cooler upgrade/2nd cooler...
- E85 30% / 93 70%
- N55 PE installed Issues, or I'm going Cray Cray..
- 135i n55 Throttle lag / DCT lag mods: JB4 + aFE cai + bms downpipe
- Help - how to replace back turbo oil line?
- What do i need to be at 400whp?/
- Part Number?
- Flashing Turn Signals From Display
- n54 berk axle back exhaust question
- First time to the track with RB's
- reset JB4 to default
- VERY WEIRD JB4 Problem..
- JB4
- Feel like I'm running a little weak...
- 135i N55 - JB4 v.s. Cobb
- BMS can tool troubleshooting N55
- Fuel Additives?
- HPFP 100k warranty
- Downpipe Question
- Upgrade jb3
- Engine Malfunction
- Vibration from Berk mids on cross brace
- codes- decipher?
- Jerky acceleration when pushed
- 2 step flames
- JB4 or ???
- inside performance quad exhaust
- Anyone with this setup?
- Really debating on going big turbo help please
- Just received BMW PE & PPK... Damaged?
- To LSD or not?
- Fully Catless, How Long Did It Last?
- BMW PE Tubing Diameter
- enlighten me on back pressure...
- Quaife Fitment
- BMW 135i N55 BEST CAI
- Berk Technology v.s. AR
- What's the best CAI n55
- 135i n55 smoke smeel after downpipe install
- Charge piping?
- Cylinder2 Misfire, Check Engine !
- How use AccessTuner to kill dp error?
- Stock water pump?
- routine maintenance
- Dyno today, sad faces
- Canyon Driving & Some issues noticed
- Show us your meth tanks!
- Right Hand Drive Catless Downpipes
- BMW Performance 335i ssk on 135i
- Downpipes and Emissions
- 2011 135i M-Sport Exhaust Question
- Delayed BOV "Whoosh" on Neutral WOT
- For those wondering what full cat-less straight pipes sound like....
- Clicking noise
- cpe axleback exaust drone...any remedies?
- Race Gas? 105oct + 93oct
- 135i Exhaust Help
- Turbo replacement
- How to fix catless dp check engine problem
- How to fix catless dp check engine light problem
- help, what is this noise?
- N54 E88 BMW PE w/o y-pipe, dinan S2
- TeeMod
- Modifying a BMW Performance Exhaust
- Any tunes available for the 135is yet???
- Need new clutch. Options?
- Another boost leak????!!!!
- Jb4 problem
- JB4 stock charge pipe holding up?
- Help Identifying my problem
- VARGAS STAGE 2 + PTF E-Tune
- dyno numbers...seems a bit low. any ideas?
- thinking about e85...hesitant.
- 135i vs. 335i Performance Exhaust
- Can someone help with my situation?
- Clutch pedal stuck at launch
- Need help with a diagnosis!
- BMW Rear Carbon Diffuser
- 2013 135is question
- Ain't never heard this!
- Help: Is FMIC needed after ECU remap/tune?
- Anyone with catless DPs, N55 mids and berk race/muffler delete?
- VRSF 7" FMIC question
- soo, cobb releases V3 for all models but NOTHING for 12' 135i N55????
- n55 OEM turbo????
- Dumb question of the day
- 2F71 "E-box Fan Input Signal" Code
- N55 Clutch Options
- Cobb Valet Mode Testing
- Smoke out the exhaust
- 335i turbo on 135i?
- 135i N54 Reliability Stories
- UK Owners With Jb4
- How to reset/ delete bmw codes
- Probably a Dumb Question: Fitting N54 turbos on N55
- Cyl timing correction - cause
- Burning oil/ blue smoke
- Carbon build up and sticks...
- Went into LIMP MODE - Help
- Removing paint from a FMIC
- Need a new clutch
- jb4 help please!!
- replacing spark splugs and coils or just spark plugs
- If you had $1,500....
- N55 single pipe downpipe on 135i??
- Bms downpipe question
- BMS N55 Intake
- Intercooler outlet C clip **PLEASE HELP**
- P16C1 Code, car stalled
- Too Old to MOD
- Comments on Cobb V3?
- Need advice on Exhaust system!!
- Dash error lights
- Is this the infamous fuel pump failure (video)??
- Berk Race Catback
- Map 5 + e85 = SES light
- Lets beat one more dead horse
- Anybody running DPs with N54 mids?
- Have no clue what is going on, need help.
- JB4 + USB Cable Install Question
- BMS or AR Design Oil Catch Can - The Cleanest Install?
- Can anyone educate me on stacking tunes?
- Catless with Cobb: pass or fail?
- Stock black exhaust 135is
- Help: Tune vs Suspension
- New Turbos at 35k..Yikes
- Performance Exhaust Install ?
- People with DCT and thinking about upgrade turbo