See also:

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning with braking function Warning ...

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 ...

Parts and accessories
For your own safety, use genuine parts and accessories approved by BMW. When you purchase accessories tested and approved by BMW and Original BMW Parts, you simultaneously acquire the assurance ...