See also:

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 ...

Locking with power door lock switch
Operating the power door lock switch will lock or unlock all the doors. The switches are located on the driver’s and front passenger’s door armrests. To lock the doors, push the power door ...

Checking engine oil level
1. Park the vehicle on a level surface and apply the parking brake. 2. Start the engine and let it idle until it reaches operating temperature. 3. Turn off the engine. Wait more than 10 minute ...