BMW 135i series M F20 on dyno @ Etuners
The BMW 135i series M F20 features a N55 3.0 L straight 6 turbo engine that is very tunable. Calibrating the engine setup for an endurance race is a slow process, that requires a lot of time spent on the rolling road. Even more so when a 6hour race it coming up: The Hi-Tec Oils Bathurst
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BMW 335i N55 - Etuners Stage1 @ Dynodynamics rolling road, CV Performance

BMW 335i N55 – Stage1 98RON

This BMW 335i N55 came in for a custom Etuners remap file. Power rose from 177kw to 219kw after the tune. This car is totally transformed with a 42kw gain at the wheels! Upgrade specifications 98RON fuel Etuners Stage1 ECU remap Performance results Maximum power at the wheels: 219 kW (measured stock 177.4 kW), gains
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BMW 640i F12 – Stage 2 98RON

The BMW 640i F12 uses the N55B30O0 engine. It produces 235Kw (=322hp) at the flywheel based on the manufacturer’s claims. The engine is controlled by a Bosch MED17 ECU, hidden deep inside the engine bay. To get the best performance out of it with the minimal hardware modifications, an upgraded downpipe is strongly recommended. Reduced
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