BMW 3: Driver assistance systems

 Vehicle identification number

Engine compartment The vehicle identification number can be found in the engine compartment, on the right-hand side of the vehicle. Windshield The vehicle identification number can also be found behind the windshield. iDrive It is also possible to display the vehicle identification number via iD

 Low coolant temperature

When the coolant temperature is low, for example after driving off, or in all-electric driving, the electric changeover valve is activated by the Body Domain Controller (BDC). The electrical changeover valve blocks the supply from the coolant circuit of the combustion engine. The coolant is now p