N55 (M235i) Engine, Transmission, Exhaust, Tuning [Archive]

MHD Tuning (4 replies)
BMW Engine Oil (0 replies)
Revs drop on cold start up? (1 replies)
Intake tube replacement - lessons learned (0 replies)
Electric Fan Code (1A2308) (0 replies)
How do I remove the radiator fan? (0 replies)
6MT GS6-45BZ-THY8 Transmission Input Spline size (0 replies)
Intake system M235i (1 replies)
O2 Sensor Anti Foulers (1 replies)
Motor and dct swap (5 replies)
Keeping getting code 180001 (3 replies)
2016 M235i evap, misfires, lean codes (1 replies)
Engine fan on OVERTIME! (3 replies)
2016 M235i Valve Cover Leak (4 replies)
After Market Intercooler Install N55 M235i (3 replies)
Oil leak! (3 replies)
Motor Mounts (1 replies)
TC Kicking in Randomly (2 replies)
N55 belt issue (3 replies)
CV issue? (1 replies)
2015 m235i xdrive bm3 wot issues (7 replies)
Bootmod3 REV2 Board Announcement - New Video (0 replies)
Turbosmart DV (bov) Install and Issues/ no woosh/ W codes (20 replies)
Whine from fuel tank area (1 replies)
Limited Slip Diff Options (0 replies)
Universal Valvetronic Exhaust for M235i (1 replies)
noise coming from front left suspension. (4 replies)
Crank Guard (3 replies)
Would M235 LSD work on M240? (0 replies)
Buying used Modified N55 (2016 m235i) Advice (3 replies)
Replacing rocker cover gasket (4 replies)
N55 M235i making weird ticking noise when unlocking (3 replies)
Turbo inlet pipe help (15 replies)
Is it time to replace harmonic balancer [video attached] (0 replies)
jb4 tuning bmw n55 (7 replies)
Hard cold start - getting worse (2 replies)
ECUs software update question (0 replies)
118002 Mixture Too Rich Code + Datalog (1 replies)
Filterwears Intake Pre-Filter Review (1 replies)
Torque numbers (4 replies)
Car won't start (10 replies)
M2 exhaust on M235i (3 replies)
what causes an oil leak on to the catalytic converter on N55 F23 ( other thanV.C.G.)? (0 replies)
Frankenstein short shifter options (0 replies)
Help sourcing a new HENN clip (0 replies)
How to remove this positive cable guide when changing valve cover? (5 replies)
Intakes w/ No CEL (4 replies)
Wastegate rattle (0 replies)
ZF8 Hard Downshift 3rd to 2nd after Fluid Change (2 replies)
CEL 194606 (2 replies)
Xdrive turbo inlet install advice? (5 replies)
PLEASE, PLEASE, PLEASE change your coolant expansion tank hose (16 replies)
N55 Lagging and jolting (help) (2 replies)
Datalog from BM3 Stage 0+ N55 Knock Detected (0 replies)
Shop Wants To Replace Breaks - Are they being reasonable with pricing? (8 replies)
PLEASE HELP! Cylinder 2 Misfire after coil and plug swap (3 replies)
Jumpy at first (0 replies)
A noise only between 2200 and 2400 rpm. (0 replies)
M235i FBO Exhaust smoke (4 replies)
M235i Soot on exhaust tips? (0 replies)
F22 M235i Xdrive (N55) turbo seized at 65k miles (5 replies)
oil leak? (2 replies)
BMS Ver. 2 intake (14 replies)
Which part number is correct for m performance exhaust muffler? (1 replies)
N55 Tensioner Movement (2016 M235i) (4 replies)
I'm sure it's been beat to death, can someone tell me where to find "2015 235 n55 fir (7 replies)
aluminum valve cover (15 replies)
Putting M235i's N55 into F22 220D (0 replies)
Log review (1 replies)
N55 Spark plug replacement cost (13 replies)
N55 Tear down video (3 replies)
Launched car and popped a charge pipe (5 replies)
M235i air hissing and buzzing sound (0 replies)
M235i Rubbing Traffic Lights (2 replies)
Performance Upgrades (2 replies)
RK-Tunes F-SERIES N55 FRONT MOUNT INTAKE **NEW PRODUCT** (0 replies)
Infinity Design: Revolutionizing the Automotive Industry with Innovation and Quality (0 replies)
2015 m235i weird sound in first gear (0 replies)
2015 N55 M235i White Smoke at Idle and 11A002 Code (5 replies)
Just bought a 2014 BMW M235I 7 days ago (8 replies)
2016 M235i PCV Squeal (Video) (3 replies)
Is an intake worth it? (8 replies)
BMW M235i shutting off, bad idle and air volume too high (4 replies)
Hi-Flow Cat vs Catless DP (8 replies)
Needed new ECU and the mechanic has been trying to program/update it for over a week (3 replies)
BMS Billet BMW Oil Filter Cap Removal Tool Review (1 replies)
2015 M235i (Auto) shuddering at idle (drivetrain fault) (1 replies)
Snapped turbo inlet bracket.. is this worth fixing ASAP? (0 replies)
2015 Bmw M235i Squeaking noise (2 replies)
M235i N55 New Owner (5 replies)
transmission oil leak (1 replies)
Best Way to Get Data Baseline before Tune without a Dyno (1 replies)
Metallic "Click" right before/after gear shift m235 (0 replies)
afe intake opinion... (10 replies)
Blown Turbo? Only 150 miles of Ownership (1 replies)
N55 used engine source (credible) (0 replies)
N55 squeal new pcv valve cover and no fix (4 replies)
future mods on my bucket list (1 replies)
DME fried due to bad valvetronic (0 replies)
Clutch replacement (0 replies)
what's this metal thing next to the intake (3 replies)
m235i xdrive downpipe install (0 replies)
Please delete thread (0 replies)
Oil check failure / New oil pump? (2 replies)
How to see live data (1 replies)
M235i xDrive 2016 (2 replies)
Fuel system, Chassis, Drivetrain errors and won't start (1 replies)
Looking to get a 235i, big end bearing issue? (3 replies)
New Guy Needing Stage 2 Advice (4 replies)
M Performance Exhaust and New Exhaust Tips (3 replies)
Need Advice on Wastegate & SRS Error Codes (2 replies)
Street Density Motor Mounts for BMW F2X Now Available from 034Motorsport! (1 replies)
My exhaust cutout journey (1 replies)
Stage 1 93 Problem (6 replies)
Help please: Boost Leak after alu CP install? BM3 Stage 1 (3 replies)
BM3 License Transfer (2 replies)
M235 stage 2 bm3 ignition timing correction log (5 replies)
bootmod3 license (15 replies)
HPS bolt-on quality? (1 replies)
N55 Bulletproofing (13 replies)
Step-by-Step Installation Guide: CSF Race-Spec Radiator (0 replies)
Disabling burbles on M235i without a tune (11 replies)
M235i clutch upgrade (6 replies)
M235i Oil Leak Head Gasket (7 replies)
MPG Dropped Substantially (2 replies)
MHD settings for Stage 2 with AA Downpipe (3 replies)
Dinan Handheld has to always be connected? (1 replies)
URO Transmission Pan HD Aluminum Upgrade (1 replies)
Performance Engine rebuild (6 replies)
Catless Downpipe 02 Spacer (3 replies)
Meisterschaft exhaust (0 replies)
oil cap (2 replies)
M235i clutch sound question (5 replies)
New MAD Product Release -F3x High Flow Air Intake (7 replies)
Bootmod3 bm3 wireless obdii wifi enet canbus flash adapter **new product** (0 replies)
p0036 (4 replies)
HELP! N55 Starts then Stalls (8 replies)
Dinantronics performance tuner stage 2 (13 replies)
90k mile maintenance 16' m235 (8 replies)
Active Autowerke Axle Back Valved Exhaust **NEW PRODUCT** (0 replies)
M235i Shooting Flames? (2 replies)
Need help figuring out what part this is (3 replies)
Risks involved in flashing the ECU with piggyback tune (7 replies)
E8x/E9x RTD short shifter install on a F22 (0 replies)
Badly Missing the road/chassis feel. (5 replies)
what is my car tuned on? (3 replies)
m235i lean code running rough at idle (4 replies)
Is my VCG leaking ? (7 replies)
M235i VRSF Catless Downpipe w/o a tune (5 replies)
2016 M235i Tensioner Wobble and Engine Noise (1 replies)
Pure Turbo BMW N55 PURE750 **NEW PRODUCT** (9 replies)
Is my Oil Filter Housing Gasket Leaking? (13 replies)
WW1plane/Electric Leafblower sound when RPM is falling (9 replies)
BMW LSD DIY Guide (8 replies)
BM3 Flex Fuel Install on F23 (5 replies)
Quiafe LSD oils? (0 replies)
Car died driving down road shortly after cold start (6 replies)
WTB Stock intake/ airbox from 16 m235i n55. (1 replies)
Boost not hitting targets, spiking after letting off throttle (3 replies)
Bootmod3 question: 9.3.6 Ignition Coils/ DI Fuel injectors (2 replies)
Misfire at 6500rpm - No codes thrown - Stage 2 BM3 (5 replies)
Bootmod3 odyssey and my terrifying lunch (4 replies)
Kies WiFi adapter - Bootmod3: car not detected (4 replies)
MAD: New Product Release - 4'' Catted Downpipe Euro5 200 Cell (0 replies)
Injen BMW F Chassis N55 Evolution Intake **NEW PRODUCT** (20 replies)
Timing issue? (6 replies)
Boost Taper (12 replies)
Cts turbo f-series bmw n55 boss turbo upgrade (138 replies)
Drivetrain error on dash (3 replies)
First time tuning help/suggestions (4 replies)
FCP Euro (8 replies)
Boost slow to build, possible leak, help with logs (1 replies)
M performance diff (7 replies)
MST or AFE intake? (3 replies)
Kies Crank guard + Accessory Belt Kit DIY GUIDE (1 replies)
Front and rear diff fluids - M235i (5 replies)
gearselector reports an error (0 replies)
URGENT: Is engine borked? (14 replies)
Chargepipe Replacement DIY Tips (5 replies)
Steering Thrust Piece Fixed My Steering Vibration (0 replies)
Catless Dp install (3 replies)
Clutch slippage or boost leak? (7 replies)
Hesitation with Dinan CAI (15 replies)
Cosmoracing short shifter? (1 replies)
New to tunes and upgrades… (4 replies)
CTS Turbo intake install question (3 replies)
Oil still getting in coolant tank (7 replies)
Reliable n55 tuners (2 replies)
Stage 2 FBO N55 Backfire at idle and boost cuts WOT (7 replies)
Help on Spark Plug Replacement M235i (12 replies)
Drop In Filter Options (13 replies)
Do 88 Intercooler (7 replies)
Spool FX-150 HPFP upgrade gone wrong (9 replies)
CTS Turbo F-series BMW N55 BOSS Turbo Upgrade kit **NEW PRODUCT** (5 replies)
xHP questions (4 replies)
Has anyone had engine seize problems from doing donuts (13 replies)
Charge Pipe Advice (14 replies)
Bmw mppk air box + dinan cai? (10 replies)
Installed mppk lower airbox(same as m2) onto my m235i n55 and got cel(P00BD & P0171) (19 replies)
Flywheel gone… (11 replies)
Pure stage 2 tuners? (3 replies)
Slight vibration under hard acceleration (6 replies)
Thinking of going stage 2 (11 replies)
M2 mt6 (1 replies)
Carillo Piston correct size? (2 replies)
3rd Gear 6MT Gear Shifter Vibration Off Power (1 replies)
Reading logs for e30 tune (0 replies)
M235 with m2 mt6 (4 replies)
BM3 antilag malfunction (2 replies)
Battery : OEM where to get one? (17 replies)
Engine stumble on cold start (36 replies)
F-series N55 stock turbo 1/4 / 1/8 World record? (2 replies)
BM3 anti-lag question (2 replies)
M235 stock axle torque capacity? (0 replies)
*POP* under throttle, followed by loss of power (10 replies)
Oil Catch-Can (6 replies)
M235i stock .bin (1 replies)
M235i is quieter suddenly (2 replies)
Breaking 600whp (7 replies)
MHD log review help (3 replies)
'14 m235 RWD vs. '16 m235 xDrive - peculiar exhaust difference/issue? (11 replies)
RWD FBO M235i 1/4 mile 11.82 Updated with video (13 replies)
I think I need a new turbo... help pls :( (5 replies)
2014 M235i (Faulty?) low engine oil warning (2 replies)
Double check for stage 1 supporting modifications + Need to check for super knock? (12 replies)
Is MPE from 435 compatible? (0 replies)
Help with hpfp (nostrum high pressure fuel pump) (1 replies)
Got the wrong downpipe? (2 replies)
Intercoolers - just for performance or also for longevity? (11 replies)
Flash tune and datalogging questions (3 replies)
n55 6MT clutch slippage? (15 replies)
From MAD 5" Intercooler To MAD RACE! Full Install Video (1 replies)
Clutch slipning om M235 6MT (15 replies)
BMS Stage 1 vs JB4 (3 replies)
228i --- down-pipe+tune with stock exhaust (3 replies)
CEl Code 1BC112 (0 replies)
N55 Valvetronic Issues (2 replies)
2016 M235i Differential Leaking (7 replies)
235 upper radiator hose (not overflow) (1 replies)
Keep rear camera on at all speeds? (2 replies)
N55 Misfire Fun (6 replies)
34k mile 2016 M235i engine replacement (9 replies)
Order of operations for install. (3 replies)
HPFP Crashing on 91 (3 replies)
Ignition Timing Corrections and Knocks (1 replies)
Charge pipe clip retainers: Necessary or not? (6 replies)
ZF8HP Problems (0 replies)
6 speed manual transmission won't sit flush to engine block (3 replies)
Best N55 intercooler threads (18 replies)
M235i Problem Stage 2 93 OCT (0 replies)