52 25... Removing and installing/replacing massage valve block

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove LEFT OR RIGHT REAR SEAT .

Unfasten plug connection (1) and disconnect.

Remove valve block in direction of arrow.

Fig 1: Identifying Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Detach all air hoses.

Pay attention to connections (A) and (P) on valve block:

(A) Air hose, blue, from massage pump

(P) Air hose, grey, from massage pump

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

Fig 2: Identifying Connections On Valve Block

Courtesy of BMW OF NORTH AMERICA, INC.