See also:

Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Owner's Manual for Vehicle
Thank you for choosing a BMW. The more familiar you are with your vehicle, the better control you will have on the road. We therefore strongly suggest: Read this Owner's Manual before starting off ...

Oil types for refilling
Notes No oil additives Oil additives may lead to engine damage. Viscosity grades for engine oils When selecting an engine oil, ensure that the engine oil belongs to one of the viscosity grad ...