Switching on automatically The system is automatically active after every driving-off.
Switching on/off manually
Press button briefly:
Adjust as needed. Individual settings are stored for the profile currently in use.
Press button again:
Hold down button:
Setting the warning time
The warning time can be set via iDrive.
1. "Settings"
2. "Frontal Coll. Warning"
3. Activate the desired time on the Control Display.
The selected time is stored for the profile currently in use.
BMW X3 Service & Repair Manual > Electronic switching or control units: Removing/replacing knock sensor (3rd and 4th cylinder) (N20, N26)
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Remove STARTER MOTOR.
Unlock connector (1) and remove.
Release bolt (2) on knock sensor.
Remove knock sensor for 3rd and 4th cylinders.
Installation note:
Clean contact surface of ...