Close the windows and glass sunroof

Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.

    See also:

    Safety
    The BMW 1 Series hasn't been crash-tested. It includes frontal, front-seat side-impact and side curtain airbags. Also standard are antilock brakes and an electronic stability system with traction ...

    Initializing after a power failure
    After a power failure during the opening or closing process, the roof can only be operated to a limited extent. Initializing the system The system can be initialized when the vehicle is statio ...

    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 ...