N55 Gang
N55 335i, FBO, MHD stage 2+
iX xDrive50 - real world range in winter
i7 / iX·8 months ago·2·104Lowering springs vs coilovers - which is better for daily?
Suspension & Brakes·8 months ago·2·80F10 535i N55 - turbo upgrade options
F10 / F11·8 months ago·3·107Alcantara steering wheel wrap - DIY or professional?
Interior & Exterior·8 months ago·2·94
BMW performance tuning for beginners - complete guide to getting more power safely
One thing I'd add about safety - get a JB4 or similar piggyback tune if you want to keep your warranty intact. Piggyback tunes sit between the ECU and the sensors, so they're undet...
7 months ago
ECU file service - stage 2 map for N55 with meth injection
Running a similar setup on my 335i. Stage 2 with meth injection on the N55 is a sweet spot - around 400-420hp depending on the tune. Make sure your meth kit has a failsafe that pul...
7 months ago
WTS: Wagner Tuning FMIC for F30/F32 - used 6 months
PM sent. Interested if the price is right. What version is it - the EVO1 or EVO2? And does it come with the mounting brackets?
7 months ago
B58 stage 2 - catless downpipe recommendations?
Wagner is the best quality but also the most expensive. If budget is a concern, VRSF is the sweet spot. Avoid the super cheap Turkish brands, fitment can be hit or miss.
7 months ago
BMW N54 stage 2 tuning guide - from stock to 400hp
Running exactly this setup on my 335i. Can confirm 400hp is very achievable and reliable on the N54. One thing I would add - upgrade the oil cooler if you plan to do any spirited d...
7 months ago
Downpipe install on F30 - how hard is it DIY?
Downpipe install on F30 is doable on jack stands but its tight. The hardest part is the bolts connecting to the turbo - they can be seized. Use penetrating oil the night before.
8 months ago
Stage 2 diesel - 330d E90 making 350hp
350hp and 680nm from a 330d is insane. That torque number is crazy for a 3 series. Does the clutch/auto handle it ok?
8 months ago
Popbangs/crackle map on B58 - is it bad for the engine?
xDrive is worth it in Lithuania. The winters are harsh and xDrive makes a huge difference in snow. Yes it adds weight but the safety benefit is worth it.
9 months ago
CMD Flash vs KTag vs Autotuner - which ECU tool to buy?
Good guide on valve cover gasket. One tip: replace the eccentric shaft sensor seal at the same time. Its right there and only costs 10 EUR for the seal.
9 months ago
Coilover comparison - KW V3 vs Bilstein B16 vs BC Racing
dont cheap out on suspension. you get what you pay for. KW V3 is worth the extra money for the ride quality alone
10 months ago
Bio
N55 335i, FBO, MHD stage 2+
Member since
Mar 11, 2026
Role
member
