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. The ignition remains switched on. The engine starts again automatically for driving off.
Automatic mode
After every start of the engine using the Start/ Stop button, the Auto Start/Stop function is in the last selected state.
When the Auto Start/Stop function is active, it is available when the vehicle is traveling faster than about 3 mph, approx. 5 km/h.
Engine stop
The engine is switched off automatically during a stop under the following conditions: Steptronic transmission:
The air flow from the air conditioner is reduced when the engine is switched off.
Displays in the instrument cluster
The display indicates that the
Auto Start/Stop function is
ready for an Automatic engine
start.
The display indicates that the
conditions for an automatic engine
stop have not been met.
Functional limitations The engine is not switched off automatically in the following situations:
BMW X3 Service & Repair Manual > Electronic components: Replacing a brake pad sensor (front)
IMPORTANT:
The brake pad wear sensor must be replaced once it has been removed (brake pad wear sensor
loses its retention capability in the brake pad).
If an already ground brake pad wear sensor has to be replaced although the minimum brake pad thickness has
not yet been reached, it is ...