See also:

Configuring the prewarning
After the warning function is switched on, the following can be set via the iDrive: The prewarning can be switched on/off. The time of the prewarning can be set. These settings have no effe ...

Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before the lane is changed, a warning is not issued. ...

Antilock Brake System ABS
ABS prevents locking of the wheels during braking. The vehicle remains steerable even during full brake applications, thus increasing active safety. ABS is operational every time you start the e ...