Brake system

The brake system has two separate hydraulic circuits. If one circuit malfunctions, you will still have braking at 2 wheels.
See also:
Unlocking doors and fuel-filler door
1. Push the UNLOCK button 2 on
the Intelligent Key once.
2. The hazard indicator flashes once. The driver’s door and fuel-filler door will unlock.
3. Push the UNLOCK button on the Intelligent Ke ...
Active Noise Control (ANC)
By identifying undesirable sounds in the cabin and then playing back through
the speakers sound waves of opposite phase, the original noises are cancelled
out, making the M's interior a quieter, m ...
Emergency engine shut off
To shut off the engine in an emergency situation while driving, perform the following procedure:
– Rapidly push the push-button ignition switch 3 consecutive times in less than 1.5 seconds, or
– ...
