BMW 135i N54 – Stage2 98RON
N54 engines can get boosted performance with an upgraded downpipe, an upgraded intercooler and boost pipe. By remapping the stock ECU with a Stage 2 ECU remap we increase boost pressure, adjust fueling and ignition accordingly. The engine’s rev limiter is also slightly increased. In case of race use (off road), the vmax limiters and cat faults can be disabled and exhaust pops added to the setup as additional features to the remap.
- 98RON fuel
- Upgraded intercooler & boost pipe
- Upgraded downpipe
- Stage 2 ECU remap
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- Maximum horsepower: 339 whp (measured 277whp with the upgraded parts and stock firmware), gains 62whp
Many thanks to Autototal!