Relay assignment, engine wiring harness on engines BMW M40, M42, M43, M43TU, M44, M50, M52, M52TU, S52, S50US

12 14 … Before removing the relays: Read fault memory of DME control unit. Switch off ignition. Unfasten and remove […]

Testing engine idle speed and emission value engines BMW M50, M52, S50, S50US (vehicle with catalytic converter)

13 00 060 Preconditions for all adjustments: Engine at operating temperature (oil temperature > 60° C). Engine and ignition system […]