Note before adjusting

Never attempt to adjust the driver's seat Do not adjust the seat while driving
Never attempt to adjust the driver's seat while driving.

The seat could respond with unexpected movement and the ensuing loss of vehicle control could lead to an accident.◀

rear Do not incline the backrest too far to the rear
Do not incline the backrest on the front passenger side too far to the rear during driving. Otherwise, there is the danger of sliding under the safety belt in an accident. This would eliminate the protection normally provided by the belt.◀

    See also:

    DSC OFF
    Driving stability is limited during acceleration and when driving in bends. Stabilizing interventions by the Integral Active Steering* system are only performed by the rear axle steering. To i ...

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

    Tachometer
    Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine. ...