See also:

BMW Maintenance System
The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...

Adding engine oil
Filler neck Only replenish the maximum oil amount of 1 US quart/liter if the message is displayed in the instrument cluster or the oil level has dropped to just at the lower mark of the dipst ...

COMFORT
Comfort-oriented tuning of the shock absorbers for optimal traveling comfort with maximum driving stabilization. Activating COMFORT Press the button repeatedly until COMFORT appears in the ...