Service Plan
Check wiring, wiring harness and plug connector to crankshaft sensor.
Check wiring harness plug connector to DME
Check crankshaft sensor. (resistance increases when heated,
up to and including interruption)
Remove crankshaft sensor and check for contamination (metal abrasion).
Check sensor gap to crankshaft.
Fault Impact
Engine starts poorly or can go off again.
Slow to no more driving possible.
Warnings
Warning Lights
Engine warning lamp on.
Control Center Messages
Service Notes
After rectifying the fault, reset the mixture preparation adaption values.
copied and pasted from >>
https://bmwfault.codes/