52 25 048 Removing and installing/replacing pump for lumbar and massage

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 BMW 760Li, 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, and 2012 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Partially remove BACKREST FOR LEFT OR RIGHT REAR SEAT

Release backrest only and move forwards

Release screws (1).

Fig 1: Identifying Rear Seat Backrest Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Pull off air hose (2).

NOTE: Gently heat the air hoses if too tightly seated on the valve block.

Open quick connectors and detach air hoses (3) and (4).

(2) Air hose (blue), outlet to valve block for massage
(3) Air hose (grey), outlet to valve block for lumbar
(4) Air hose (grey), access from valve block for massage

Fig 2: Identifying Valve Block Air Hoses
Courtesy of BMW OF NORTH AMERICA, INC.