See also:

Important features in the engine compartment
BMW X5 BMW X5   1. Filler neck for washer fluid for the headlamp and window washer system 2. Starting aid terminal 3. Coolant expansion tank 4. Engine oil filler neck BMW X6 BMW ...

Coolant level
Checking 1. Let the engine cool. 2. Turn the cap of the expansion tank slightly counterclockwise to allow any excess pressure to dissipate, and then open it. 3. The coolant level is correct if ...

Activating/deactivating the system manually
Using the button Using the button Press the button. ▷ LED comes on: Auto Start Stop function is deactivated. The engine is started during an automatic engine stop. The engine c ...