BMW X3 Owners Manual: Auto Start/Stop function

Engine stop

Hints Take the remote control with you Take the remote control with you when leaving the vehicle so that children, e.g., cannot start the engine. ...

The concept

The Auto Start/Stop function helps save fuel. The system switches off the engine during a stop, e.g., in traffic congestion or at traffic lights. ...

Other materials:

BMW X3 Service & Repair Manual > Condition based service (applies to certain vehicles only) - service bulletin si b 00 07 02 (2/2009): E65 and e66 procedure to reset the cbs display using bmw diagnostic tester
Using the BMW diagnostic tester, the CBS Reset sets the selected service item to 100% (full service interval) and displays a service counter indicating how many times the service item has been reset. The CBS reset procedure is found under: Diagnosis - Function Selection - Service Functions - M ...