52 14 117 Replacing right lumbar support pump

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Partially remove backrest cover. See BACKREST COVER FOR DRIVER'S SEAT or BACKREST COVER FOR FRONT PASSENGER SEAT .

Cut open cable strap (1).

Installation note:

Replace defective cable straps.

Unfasten plug connection (2) and disconnect.

Remove lumbar support pump (3) from backrest frame.

Fig 1: Identifying Lumbar Support Pump, Plug Connection, And Cable Strap

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock quick connector (1) and remove air hose (clear) from valve body.

NOTE: Connections are coded against incorrect assembly.

Fig 2: Identifying Air Hose Quick Connector

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Carry out FUNCTION CHECK .