BMW 7 Series: Oil Cooler

 System Overview

The Telematics Control Unit (TCU) and the interface box 'High' (ULF-SBX-H) control units are connected to the MOST bus. TCU and interface box 'High' may both be fitted in the vehicle for certain equipment options. In this case, the telephone function is always implemented in the TCU. The head uni

 System Components

Controls and Control Units Controls The controls for the seat functions are connected depending on the seat equipment. The controls are: Seat-adjustment switches Lumbar support switch Memory buttons Active-seat button Active seat ventilation button Massage function button. Refer to the foll