N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i [Archive]

335i xDrive Cat-Back Exhaust (1 replies)
Turbo leak? (6 replies)
Does my car have an LSD or not? (1 replies)
Rattle, rasp, does this sound normal? (VRSF catless dp) (3 replies)
Repeated throttle body failure every couple thousand miles (3 replies)
Inspection/Emission Success (0 replies)
E90 N54 VEMO's pressuresensor (0 replies)
29f3 (0 replies)
MHD stage 1 / Track car (2 replies)
Motiv flex fuel and aic1 (0 replies)
335d reservoir charge pipe options (2 replies)
Air cold side diagram - 30ff intermittent code (3 replies)
Need help with turbo oil drain line (2 replies)
6 Speed Manual ZF Trans Mount Bracket - Will E46 Ones Fit? (3 replies)
looking for an exhaust (1 replies)
Engine rattle sound with codes 2A87, 2A98, and 2EF4 (0 replies)
E90 xdrive transmission removal (1 replies)
recently went stage 1 (6 replies)
MHD OTS Tune with upgraded turbos (3 replies)
N54 blown headgasket (2 replies)
N54 Almost Burned to the Ground water pump failure (0 replies)
Clutch drag or gearbox problem after clutch change? (0 replies)
smoke under heavy braking only (3 replies)
Oil Pan Surface Cracks (1 replies)
Exhaust Cofigs (0 replies)
335i differential (0 replies)
How to remove dinan tune? (2 replies)
30ff code 🙄 only have issue from 2k rpm to 3k rpm.?? (5 replies)
Is it necessary to drain the coolant when changing OFHG? (4 replies)
N54 downpipe bracket that mount to the transmission (2 replies)
N54 Strange rattle on start, goes away immediately (2 replies)
Secondary O2s important? (5 replies)
Will MHD flash the 335is back to stock? (3 replies)
RHD downpipes from Mode Design - Australia (0 replies)
N54 low power under 3.5k rpm's (9 replies)
VTT/VARGA wastegate kit question (0 replies)
New engine install....cranks, but no SPARK! Help! (3 replies)
N54 rough start and limp mode with misfires (0 replies)
Vacuum Pump connector (3 replies)
N54 Compression Test Procedure (3 replies)
Vacuum Pump Check Valve Replacement & High WGDC (0 replies)
Judder - Missfire from cold start (6 replies)
N54 Ticking (4 replies)
Low Boost Psi (15 replies)
dumb fuel pump question (5 replies)
I need help with these codes (4 replies)
Is my dme cooked? (0 replies)
Knock sensor code (1 replies)
2009 335i Cam Ledge Tool not lining up (34 replies)
Bad injector ? Afr slow & misfire (5 replies)
What is this coolant part (6 replies)
2A2B & 29E0 Codes (0 replies)
Ongoing cylinder 6 misfire after doing everything (3 replies)
335i N54 turbo whine followed by limp mode light (2 replies)
1 psi under boost target normal? (11 replies)
Built n52?? (2 replies)
N54 Engine Malfunction (0 replies)
My Log, Can someone rate it and help me? (0 replies)
Yet another VANOS mystery! Please help! (0 replies)
Bmw performance exhaust and secondary cat delete? Too raspy? (0 replies)
Where can i send my dme for mosfets (2 replies)
Not sure where to even begin with this headache (1 replies)
N54UPDATE Swapped 328i, now some things to do need help (4 replies)
Wont pass smog after new injectors (3 replies)
First time transmission issues on N54 auto (5 replies)
Turbo oil line leak (1 replies)
Problem getting upper coolant line on thermostat - turbo outlet in the way (1 replies)
N54 Clunking Noise (9 replies)
30FF shadow code (0 replies)
Help! Can't get my car into boost without misfires (6 replies)
V-Band not going on (3 replies)
Injector Issue 09 335i N54 (5 replies)
Upgraded Turbos for High Altitude help needed (2 replies)
Recently Acquired E90 335i, Exhaust Advice Appreciated (0 replies)
How to get flutter? (4 replies)
Pilot bearing and rear crank seal part numbers (4 replies)
CEL when under load + boost (3 replies)
Misfire? (0 replies)
Charge pipe with no bov? (10 replies)
Front turbo outlet v-band help (1 replies)
2abc 3100 codes (1 replies)
Weird howling/screaming noise on high boost (0 replies)
Read AFR without MHD (2 replies)
V10 Stage 1+ safe with cats ? (2 replies)
E92 N54 Surging/Oscillations (4 replies)
All 4 O2 Sensors are throwing error codes (0 replies)
N54 Engine squeal after PCV replacement (4 replies)
2ABC/3100, 2D33 codes HELP! (1 replies)
N54 Engine Knocking (11 replies)
Help!! Replaced lpfp sensor and many codes followed (1 replies)
Whining noise from engine on deceleration at ~1500RPM (2 replies)
Inpa and insta+ download??? (2 replies)
HPFP: Rail pressure drops below setpoint on RPM decrease (2 replies)
Trouble in Paradise with N54 (9 replies)
Weird fuel trims and fueling issues. (0 replies)
Questions on Exhaust OEM Valves (1 replies)
Rear VRSF 2” Inlet leaking at 1.75” Adapter *HELP* (21 replies)
O2 Code problems driving me nuts (8 replies)
E85 Stage 3 LPFP Pressure at 4PSI !! (0 replies)
Oil leak in lower turbo line (0 replies)
Oil/coolant/fuel? In cylinder head (0 replies)
Injector misfire mystery (7 replies)
ga6hp19 Vs 6hp21 (1 replies)
e90 N54 MHD Stage 1 - Extremely slow boost build :( (6 replies)
Turbo keeps failing, 335 N54, bought 2 turbos already. (4 replies)
Dumb Question: Can a short in the manifold pressure sensor generate a 30BB code? (2 replies)
Turner Catch Can (0 replies)
Can tuning causes battery issues? and can bad battery causes performance issues? (6 replies)
HP fuel pump going out? High trim levels running E60 (3 replies)
Spec Single mass flywheel (0 replies)
N54 intermittent smoking (3 replies)
135 turbos on 335i (1 replies)
*n54* pcv system upgrade (12 replies)
335i misfire issue (1 replies)
Moving Fuel Gauge (0 replies)
Looking for tips on OFHG! (5 replies)
Clutch slipping (15 replies)
Half-filled engine light with no codes (5 replies)
335i for drift (8 replies)
Help with my fueling please (0 replies)
No Drive/Sport (DS) Mode (4 replies)
I messed up a new injector. Help! (16 replies)
Possible blown head gasket.. (3 replies)
NGK's 97506 2 step gap (16 replies)
335i 190k miles, burning smell (10 replies)
8hp45 swap n54 (0 replies)
08 335I smoke on deceleration (0 replies)
Blowing white smoke, weird smell from exhaust N54 (2 replies)
Trumpet sound from Tial BOV (2 replies)
Stage 2+ 93 V10 low boost (8 replies)
Anyone need some injectors tested/cleaned? (5 replies)
Crank no start (2 replies)
RPM drops below idle and almost stalls (1 replies)
MHD with lots of mods but no dp (4 replies)
Stage 1+ EXTREMLY low boost (5 replies)
Very safe, ideally OTS, tunes for low mileage n54s (0 replies)
Fuel pumps, injectors and ethanol use concern (0 replies)
Timing correction under wot (8 replies)
Jerk under low load (12 replies)
I torn apart my N54 - Need help to decide (4 replies)
Updated N54 Crank Hub Info (3 replies)
Yellow transmission light (16 replies)
performance exhaust! (9 replies)
Misfire on Big turbo n54! (3 replies)
30BB (wasn't mosfets) (3 replies)
Smoke coming from exhaust only on deceleration (36 replies)
What is this thing? (1 replies)
N54 running lean?? Change O2's? (0 replies)
8HP45 swap for my N54 E90 (3 replies)
Ethenol Sensor and Flex Fuel Tune (0 replies)
2" Front Inlet "Bracket" (3 replies)
Post shift timing corrections on 6MT (20 replies)
Superknock on cylinders 5 and 6 (1 replies)
white smoke from exaust and hood sometiems BMW 335i N54 (1 replies)
What upgraded twins do you guys recommend for higher HP? (5 replies)
Injector Compression Tool Saga (4 replies)
I need help from the great guru George! (0 replies)
Excessive Turbo lag - wastegate leak? (9 replies)
Motor Lost Compression too fast (3 replies)
Electrical Issues (3 replies)
single turbo (1 replies)
N54 VRSF outlets to IC hose (6 replies)
Unusual misfiring N54 behaviour (7 replies)
N54 two step colder plug - please guide (13 replies)
6hp19 5087 code pls help (0 replies)
DME / Battery Problems (0 replies)
Tunes with flat torque curve? (3 replies)
Which 1 step colder spark plugs are you using? (3 replies)
E92 335i Muffler options? (11 replies)
2D2E & 30FE code (21 replies)
N54 2E81 dme electrical coolant pump, speed deviation (3 replies)
Code P0012 (0 replies)
Installing OEM turbo inlets (2 replies)
E92 PE mod shops in Houston (0 replies)
Change transmission (4 replies)
I got only a couple of fault codes!!! (3 replies)
DME codes after flashing (3 replies)
Is there a way to make backup of DME? (6 replies)
1M IKM0S on IJE0S Hardware (17 replies)
E9X 335 parts VS E60 parts (3 replies)
DME Mosfets (6 replies)
Light Throttle causing a Jerk (11 replies)
Oil Spewing Everywhere (fixed) (9 replies)
E92 335i Single Turbo options (52 replies)
335xi Trans/front diff (0 replies)
MSD80 ecu (2 replies)
ZF6 to ZF8 swap cooler adapter? (2 replies)
Recommended apps for amateur tunning, fault codes and options coding (9 replies)
Are these parts correct? Spec stage 3+ clutch disc/PP (3 replies)
Vacuum side catch can full after 300-350 miles (3 replies)
28A0 codes not going away! (2 replies)
Hi guys i need help (3 replies)
6466 0.96 single vs 0.84 twin-scroll (2 replies)
Fueling Upgrade (6 replies)
n54 intake manifold leak (4 replies)
Idiot(me) installed auto trans wrong (7 replies)
335XI Differential or Transfer Case Issue? (0 replies)
Electronic WasteGates (2 replies)
Low fuel pressure (1 replies)
My long story with 29F2 (9 replies)
does this log look right?? (2 replies)
Is 1M's catalytic converter compatible with 335i? (6 replies)
trifecta and weird noise (9 replies)
OFHG leak check (6 replies)
MHD Tunerpro M/T (2 replies)
What should I start with? (4 replies)
Variable RPM Vibration issue HELP! (1 replies)
Which Injectors Should I Run? (4 replies)
Need help identifying plastic washer that was inside water pump! (2 replies)
Average oil temperature for winter time? (7 replies)
N54 Engine fault reasons and solution (my case) (0 replies)
Can MSD80 be treated with PPK, Alpina, Dinan? (0 replies)
Things to look out for on N54 (31 replies)
500whp Build on 91 Octane? (2 replies)
Help!!!! Manual swap coding (12 replies)
2a82, 2a98, 3100 (4 replies)
Timing guide debris in my oil pan (1 replies)
N54 HPFP Crashing (6 replies)
Sudden Battery Drain (0 replies)
Installing a doc race single turbo kit on a bone stock e92 6MT (10 replies)
Performance Exhaust - Need your help (1 replies)
No throttle, Rad fan running when cold, car dies on startup (5 replies)
Help read codes (Engine Misfire) (0 replies)
Single exit with a 135 exhaust? (0 replies)
335is Dct wont shift (0 replies)
Getting back into bmw (god help me) (9 replies)
Overheating Issue any help would be appreciated (2 replies)
N54 OEM crank hub upgrade (16 replies)
LF N54 Index 12 Injectors (0 replies)
Limp Mode & Burning Smell (0 replies)
New n54 injectors are "wet" in package (6 replies)
MHD Map pack transfer? (6 replies)
Found a JB+ on my new car. How do i use it? (7 replies)
Fueling Issues (0 replies)
Excessive battery discharge and fuel pump warning (1 replies)
Code 2e69 and 3100 keep coming back. (0 replies)
N54 Issues (6 replies)
trace a map on the TD03 flow map (0 replies)
Fuel Trims and Timing Corrections (4 replies)
Burger OCC and M3 strut bar upgrade (4 replies)
N54 Vanos & Camshaft Removal (0 replies)
N54 not reading boost, loud whining (8 replies)
About to Start the N54 - MHD and scrap JB4? (9 replies)
Issue with HKS BOV (3 replies)
Help identifieying what im missing here, (2 replies)
Vanos PWM% (2 replies)
(PLEASE HELP) 2007 335i Intermittent misfire (6 replies)
N54 LSPI and recommended shift points for 6mt (4 replies)
Best way to drain fuel (1 replies)
335is wont engage drive (0 replies)