See also:

Switching on automatically
Select transmission position R with the engine running. ...

Driving through water
Drive though calm water only if it is not deeper than 9.8 inches/25 cm and at this height, no faster than walking speed, up to 6 mph/10 km/h. Adhere to water depth and speed limitations Do no ...

BMW Maintenance System
The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...