BMW 7 Series: Oil Cooler

 Check BMW Diagnosis System For Excess Pressure And Vacuum (N63)

IMPORTANT: Excess pressure and vacuum lines are identified by the size of the connection fittings and color-coded red and blue and must not be mixed up with each other. Build up pressure with Blue color. Generate vacuum pressure with Red color. Mixing up the functions will result in damage to th

 Detecting The Controls

The multifunction steering wheel has additional buttons. The buttons increase in-car comfort and convenience by providing for comfort and convenience functions. The steering column switch cluster reads in the signals from the steering-wheel buttons. The steering column switch cluster transmits th