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 it lies between

3. The coolant level is correct if it lies between the minimum and maximum marks in the filler neck.

4. If the coolant is low, slowly add coolant up to

4. If the coolant is low, slowly add coolant up to the specified level; do not overfill.
5. Turn the cap until there is an audible click.
6. Have the cause of the coolant loss eliminated as soon as possible.

    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. ...

    Long-term vehicle storage
    Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...

    Increasing or decreasing vehicle speed
    You can specify your desired speed in the range from approx. 4 mph/6 km/h to approx. 15 mph/ 25 km/h using the rocker switch of the cruise control on the steering wheel. You can change the veh ...