HybridTurboGuy
Custom hybrid turbos for N54/N55/B58
ECU file service - stage 2 map for N55 with meth injection
The key with meth injection on N55 is the nozzle placement. Mount it after the intercooler, before the throttle body. Use a 175ml/min nozzle for stage 2 power levels. And always ru...
5 months ago
Stage 2 M340i - 500hp on stock turbos?
I made 495hp on my M340i with stock turbos on E40 blend. Mods: VRSF catless DP, VRSF 7.5 FMIC, BM3 stage 2 map, upgraded charge pipe, and a port injection kit for the ethanol. The ...
5 months ago
Boost leak symptoms on N55 - how to diagnose
Classic boost leak symptoms on N55: loss of power under boost, hissing sound from the engine bay, and boost not reaching target (check with MHD or BM3 data logging). The most commo...
5 months ago
F10 535i N55 - turbo upgrade options
For a daily driver with occasional track use, the Pure Stage 2 turbo is the sweet spot. It bolts onto the stock manifold, uses the stock oil and coolant lines, and makes around 480...
5 months ago
WTS: F30 335i part out - N55 engine, ZF 8HP, turbo
Interested in the turbo. What mileage is on it and is it the original or a replacement? Also interested in the HPFP if you have it. Located in Germany so shipping shouldnt be an is...
5 months ago
Best intercooler upgrade for F30 335i N55?
Wagner Tuning EVO2 is the gold standard for N55 intercoolers. Massive core, great fitment, and it drops intake temps by 20-30C compared to stock. Its not cheap at around 800 EUR bu...
5 months ago
BMW N54 stage 2 tuning guide - from stock to 400hp
The N54 is legendary for a reason. Ive built several N54s to 500hp+ on stock internals. The weak point at that level is the wastegates - they start to rattle and lose boost control...
6 months ago
E92 335i N54 single turbo build journal — 600hp target
ARP head studs and Cometic gasket are a must at 600hp — good call including those. The stock head bolts are torque-to-yield and cannot be reused after removal anyway. Make sure you...
6 months ago
Stage 2 diesel - 330d E90 making 350hp
lol at the DPF improving fuel economy. mine was the same - the clogged DPF was killing performance and economy. after delete it was like a new car
6 months ago
G20 320d vs 330i - which is better for tuning?
For 30k km/year, go diesel. The fuel savings will be significant. 320d with a tune is plenty fast and youll save thousands on fuel over the years.
7 months ago
Before and after dyno - F10 530d stage 1
TempaDrive does good work. Used them for my 520d and the tune is smooth and reliable. Good to see more people having positive experiences.
7 months ago
Dyno day results - 5 BMWs tested back to back
That M340i number is impressive! 445hp from a stock turbo B58 is near the limit. What fuel were you running?
7 months ago
Is now a good time to buy an F80 M3?
the F80 M3 is already a modern classic. the S55 engine, the looks, the driving experience - its peak M car. buy one before prices go back up
7 months ago
BMW service intervals - are they too long?
i change every 7500 km. call me paranoid but oil is cheap, engines are not. my E90 has 250k km and runs perfectly
7 months ago
Bio
Custom hybrid turbos for N54/N55/B58
Member since
Mar 11, 2026
Role
member