61 36 540 Replacing Relay For Air Supply Unit

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Extreme cleanliness must be ensured in area of air line connections during removal and installation.
Even the smallest of dirt particles can cause leakage in the system.

Necessary preliminary tasks:

Pull fuse for control unit
Remove luggage compartment floor trim panel . See 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
Remove spare wheel

IMPORTANT: Do not kink, twist or crush pipes.

Unfasten screws.

Tightening torque. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- ALPINA .

Turn air supply system over.

Fig 1: Locating Screws And Air Supply System

Courtesy of BMW OF NORTH AMERICA, INC.

Detach relay (1).

Fig 2: Identifying Relay

Courtesy of BMW OF NORTH AMERICA, INC.