37 14 525 Removing and installing/replacing control unit for air supply system

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks:

Remove ignition key
Disconnect BATTERY NEGATIVE LEAD
Remove RIGHT LUGGAGE COMPARTMENT TRIM PANEL

Unlock plug connections (2) and disconnect.

Remove control unit (1).

Fig 1: Identifying Air Supply Control Unit With Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Replacement only: Carry out PROGRAMMING/ENCODING
Replacement only: Carry out RIDE-HEIGHT CALIBRATION