135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications [Archive] - Page 12

Is it my HPFP? (8 replies)
Need Opinions on Solid Engine and Transmission Mounts (8 replies)
Installed MHD flasher stage I n54 map (147 replies)
2012 135i n55 shuts off cel (3 replies)
Octane (8 replies)
Missfire, engine stutter. (7 replies)
New to E85...what do I need? (14 replies)
JB4 Map 2 or Map 5? (25 replies)
Noise in and around turbo area? (video) (6 replies)
Bosch oem coils for $118! too good to be true? (2 replies)
Trumpet-like sound on WOT with Cobb stage 1+FMIC? Turbo whine or something else? (4 replies)
Help Pin pointing source of this oil leak? (7 replies)
Leaking boost? N54 (3 replies)
Ignition Timing (11 replies)
N55 with 600 WHP...... (12 replies)
Shell Racing Fuel (58 replies)
How to tell if the car has BMW PE? (14 replies)
Ceramic Coated DPs for n54.... (3 replies)
DP Fix and Virginia Emissions Testing (15 replies)
Fuel Additives? (9 replies)
N54 Normal idle speeds? (4 replies)
30FF. Reduced engine power. Car stuck in limp mode. HELP! (8 replies)
Took a video of SMFW chatter noise (3 replies)
6th gear Limp Mode (6 replies)
N55 Spec Stage 2+ / MFactory SMFW install (23 replies)
Cobb V3 Question on N55 (4 replies)
JB4 decided it didn't want to turn on (3 replies)
Cracked valve cover be a cause of smoke? (3 replies)
Squeaking Coming From Engine Bay After Shutting Car Off (28 replies)
Let off gas at slow speed in 1st gear; car jerks as it slows down rapidly (17 replies)
Looking to go FBO (17 replies)
JB4 boosting slow issue!! (5 replies)
Need help! Green liquid below the engine! (10 replies)
problem - boost leak Code 30FF (10 replies)
Vrsf Downpipes And Charge Pipe Review (7 replies)
What do I get? (7 replies)
GForce Chip (2 replies)
boost go down on dig (4 replies)
N55 Jb4 stage 2 with flex wires (2 replies)
BMW Performance Exhaust? (15 replies)
Best place to get a carbon cleaning in NE now? (2 replies)
Rough/misfire at cold start idle woes (14 replies)
Cp-e charge pipe w/TIAL BoV Installed (2 replies)
Cobb V3 N55 Engine Question (5 replies)
Trick to putting stock intake back on? (4 replies)
N54 with 10.5 quart (10L) oil (16 replies)
2012 N55 guys...list your mods (6 replies)
Underdrive Pulley? N55 (8 replies)
2008 135 72K miles - Possible Water Pump Failure - Need some Help (9 replies)
Realistic Berk Race AB install time (9 replies)
Downpipes Question? (1 replies)
Problem with actuator on turbo (10 replies)
Black Intercoolers vs Siler/Polished (28 replies)
Differential question (2 replies)
Just pulled the trigger on rb's (10 replies)
"Tee" mod (14 replies)
Reduced Engine Power - Faults 2A98, 2A99 and 3100 (11 replies)
Burnt Clutch Questions (2 replies)
Transmission Mounting Bolt aluminum Replaced with steel? (4 replies)
Help please! Craigslist Eisenmann exhaust (3 replies)
Slipping Clutch? (8 replies)
DCT aport mode question (3 replies)
Is it possible to buy this screw/bushing for the charge pipe? (5 replies)
2011 135 23,000 mile oil consumption (16 replies)
Real HP (6 replies)
Cheap Alternative to COBB and JB4? What was it called? (1 replies)
Best Catted N55 Downpipe (9 replies)
SES Light - Shaking during Accel (21 replies)
New turbos lead to burnt out water pump (28 replies)
Error 4d7f (0 replies)
Aftermarket chargepipe question (4 replies)
How does it work? (8 replies)
E85 Question (14 replies)
Boost/Vacuum Problem? (0 replies)
Dinan Exhaust upgrade vs Stock exhaust? (15 replies)
Going for custom COBB tune (30 replies)
Headlight Replacement (0 replies)
Dinan Stage 2 N54 Install question (6 replies)
*POLL* What do you N55 guys want? (32 replies)
Highest Mileage 135i (15 replies)
Errors after installing JB4 (2 replies)
PPK N55 (5 replies)
DPs install problem (2 replies)
Question about clutch for N54 (2 replies)
New here in search of suggestions/opinions n55 vs n54 (50 replies)
looking for some opinions (2 replies)
Clutch setup for stage1 hybrid turbo N54? (8 replies)
Excessive oil consumption (3 replies)
Lets talk clutches for a single turbo (1 replies)
1M or not.. (0 replies)
N55 Spark plugs - BOSCH ZR5TPP33-S vs ZR5TPP33 (3 replies)
Part # (4 replies)
*HELP* CX Racing FMIC for N55 users! (12 replies)
Cobb Charge Pipe Install Pics (2 replies)
JB4 Install: All of a sudden 29F2/2B2C Codes! (6 replies)
ER chargepipe uninstall (2 replies)
Vanos problems... (6 replies)
OE Tuning (35 replies)
COBB Torque Eff Divisor (3 replies)
Turbo HPDE pops off... help please (10 replies)
No start and no codes! (8 replies)
Active Exhaust Gen 1 (11 replies)
Forge N55 Bov (1 replies)
my cold air project (0 replies)
N54 midpipes on N55 (6 replies)
VRSF downpipe fittment (42 replies)
Maintenance questions!! (1 replies)
135i n54 Auto trans failure (9 replies)
135i N55 idle problem.. (0 replies)
bov question. (2 replies)
N54 leaking turbo gaskets. replacing accessories (3 replies)
N54 PPK - Did yours come with a ARB EO# label/sticker? (2 replies)
Coolant leak - need help (5 replies)
louder valvetrain after DP install or exhaust leak? (10 replies)
COBB vs. VSRF (3 replies)
Jb4 + other question (6 replies)
PPK install instructions (13 replies)
Supersprint resonator delete on N55 midpipe (25 replies)
Noob Question About Boost (JB4) (5 replies)
berk mid RATTLE! (6 replies)
Anyone FBO Besides Axleback? (20 replies)
Dinan Intercooler & Oil Cooler (13 replies)
Foolish people (53 replies)
For those who have upgraded turbos n54 (5 replies)
Coolant pouring out (14 replies)
Bmw 135i error codes (0 replies)
Afe exhaust whistle? (11 replies)
N54 clutch options 450-500hp range (7 replies)
Overheating (22 replies)
Newest FBO 1er (2 replies)
Limp mode caused by vanos bolts? (4 replies)
N55 charge pipe - beef up before it fails (77 replies)
Terrible Dealership Visit (Car now has Boost Issues) (2 replies)
2011 135i dyno results (BPC in Raleigh was awesome) (0 replies)
REVIEW: Wedge Performance N54 Flash (30 replies)
o2 sensors fault help (0 replies)
Stage 1 Turbo Build Checklist (5 replies)
Spark plugs (23 replies)
Occasional Start Hesitation? (1 replies)
Ready to start modding! (23 replies)
Good shop in Charlotte, NC area (dyno & tuning needs) (5 replies)
Weird rumbling noise from 60-80km/h (2 replies)
Intercooler Facts and datalogs Only || Share your intercooler Numbers Here !!! (18 replies)
resonator removal on a n55? (7 replies)
Synapse Blow Off Valve (7 replies)
Options on attaching Charge pipe (16 replies)
upgrade Billet Compressor wheelÂ*? (3 replies)
Need help reading code(s) (0 replies)
COBB v3 (6 replies)
335is clutch (22 replies)
Charge pipe needed for stage1 aggressive Cobb? (9 replies)
steering wheel emblem (6 replies)
Secondary Cat failure - Rattle (2 replies)
2nd Gear Hard Hesitation (2 replies)
Recommend a FMIC for my build? (14 replies)
BMS NLS/2-step question (2 replies)
Dinan Stage 2 Tune at the Track? (3 replies)
2 turbos on an N55? (9 replies)
what kind of fuel (27 replies)
Cams not a popular mod? (6 replies)
Dinan Stage 2 Review (41 replies)
Cobb Charge Pipe Install, missing a connection? (13 replies)
injector cleaning or replace? (6 replies)
ebay oil catch can (18 replies)
Cracked Charge Pipe? (5 replies)
swapping a eisenmann race for a berk race (11 replies)
? regarding emmissions for Texas folks (0 replies)
Oh no... Water in Headlight (21 replies)
Jb4 Compability (2 replies)
Purchasing turbos (12 replies)
N55 Cobb figures stage 1 and stage 1+ (10 replies)
Symptoms of blown charge pipe? (8 replies)
Hit pothole and the car went into safe mode (25 replies)
Jb4 help(broken wire) (3 replies)
AFE - Black Tip Exhaust - Paint Chipping (1 replies)
Cutting Out Secondary Cats Piping Size (3 replies)
Pure Stage 1 turbo for the N55? (21 replies)
Advice (16 replies)
e46 M3 parts to an 08 135i (13 replies)
question about e85 (7 replies)
Wiring request-Meth Install (2 replies)
BMS downpipes, with video, in case anyone cares (12 replies)
N55 Pure Turbo Stage 1 Installed + Baseline Dyno (8 replies)
Burnouts... (13 replies)
stupid wastegate rattle (40 replies)
Underboost error code (1 replies)
N54 30FF Low Boost Pressure/Wastegate Rattles Diagnosis Guide (4 replies)
Any Exhaust with Remote Kit beside from Akropvic? (11 replies)
pictures of piston wear and spark plugs (12 replies)
how to get DCT pop and burps on gear change (15 replies)
M235i versus 135i eDiff (0 replies)
BOV change (2 replies)
JB4 All maps 10psi, in and out of limp mode. (7 replies)
tdo3 upgrade?? (8 replies)
Delete Please (1 replies)
Who has hit 400whp without meth and on pump? (57 replies)
n55 chargepipe (9 replies)
POST up your oil sample from Blackstone Lab (8 replies)
WOT Timing. How much is your tune pulling timing? (0 replies)
N55 Mids or Single 3" Midpipe (3 replies)
N54 Ticking... not related to RPM (19 replies)
Exhaust question (8 replies)
Is JB4 and DCT on a N55 a bad idea?! (18 replies)
N55 DP exhust (2 replies)
Private Label MFG downpipe? (3 replies)
Turbo Inlets? (16 replies)
Quick question about the 255inline lpfp kit (0 replies)
JB4 Installer - Madison, WI area (5 replies)
BMW battery coupon, inside hurry 1 day left. (0 replies)
BMW Performance Short Shifter (4 replies)
Humming N54 engine 135i (0 replies)
Ambient Thermal Management Intercooler review (9 replies)
Down pipe and muffler delete, tune? (5 replies)
FINALLY installed DPs (7 replies)
CAE ultra shifter (9 replies)
Car cranks but won't start. (5 replies)
Taillight (left Blackline) LED dim (0 replies)
Car overheating (6 replies)
Ebay finds (28 replies)
Anybody have the CP-E N55 Catted DP? (3 replies)
Review - ETS N54 Charge Pipe and Intake (10 replies)
Oil on spark plug (7 replies)
My Quad Remus Experience (14 replies)
Newly installed Tial BOV and ETS chargepipe - BOV issue? (38 replies)
Adding Boost Gauge n55 (23 replies)
Fuel Pump Locking Ring Removal (2 replies)
DCT paddle extensions ? (18 replies)
Einsmann race fitted. Looking to fit y pipe. (0 replies)
Rattle and low end power loss after downpipe Install (5 replies)
What's under this... (8 replies)
HPFP what is the limit of performance? (1 replies)
Berk race vs Berk street review (29 replies)
Taking E82 N54 tracking; concerned about oil pressure, oil starvation (9 replies)
Smoke trails & oil residue in tail pipe. (10 replies)
Oil on front sway bar? (4 replies)
Error code p30ff (0 replies)
Issues above 5k, Log inside (10 replies)
New owner 135i DCT (7 replies)
How to test if battery is going bad? (3 replies)
Cobb maps (4 replies)
Help! Shredded 4 serpentine belts in 100 miles. (9 replies)
Faulty Transmission warning - 26000 miles! (2 replies)
New N55 owner. Getting a little bit of weirdness. (16 replies)
2E90 Fuel Mixture Control codes on cold startup (2 replies)
Expansion tank leaking (8 replies)
Knotchy tranny (Input please) (2 replies)
N54 leaking injector(s) (3 replies)
What the latest Fuel Injectors n54 (1 replies)
bouncing idle when from cold start n55 dct (3 replies)
New help identifying cluster warning lights (3 replies)