Inspections I, II, III and IV
Note: Loss of power to the Motronic control unit, e.g. as a result of the battery being disconnected, deletes all entries (e.g. faults, adaptations) in the memory.
- Lift the seat at the front.
![](https://motoinstruction.ru/img/bmw/21/127031.jpg)
- Unclip the diagnosis plug (arrow).
- Connect the diagnosis unit to the diagnosis plug (arrow).
- Read out the fault memory.
- Carry out repairs as necessary