Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> BMW >> 1987 >> 535is Standard >> Repair and Diagnosis >> Engine Performance >> System >> MOTRONIC CEC System >> Operation >> MOTRONIC Control Unit (MCU)

MOTRONIC Control Unit (MCU)

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches

The MCU receives electronic input signals from several engine sensors. Information supplied by these sensors is used to determine optimum ignition and fuel injection timing under various engine operating conditions. An air/fuel ratio of 14.7:1 is maintained under most driving conditions.