52 14 050 Removing and installing or replacing lumbar cushion on front seat

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, and 2009 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove REAR PANEL ON FRONT SEAT

Detach backrest cover (1) from backrest frame.

Fig 1: Removing Backrest Cover From Backrest Frame

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Unlock quick connector and detach air hoses (1 and 2) from valve housing (3).

NOTE: Connections are coded against incorrect assembly.

Fig 2: Identifying Air Hoses And Valve Housing

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Detach lumbar cushion (1) from spring wire (2).

Installation:

Attach lumbar cushion (1) to third and fifth wires from below.

Unclip air hoses (3) and (4) from holder.

Fig 3: Locating Lumbar Cushion On Spring Wire And Air Hoses

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Press back support (1) a little.

Pull out lumbar cushion (2) towards top.

Feed air hoses out of backrest frame and spring wire.

Fig 4: Pulling Lumbar Cushion

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Installation:

Check lumbar cushion at top (1) and bottom (2) for damage.

Air hoses (3) must not be kinked.

Fig 5: Identifying Lumbar Cushion And Bottom Area And Air Hoses

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Installation:

Carry out FUNCTION CHECK .