Friday, 08 July 2016 / Published in 640, BMW, ECU Remaps
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