Version with seat heating only

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 335xi, 2010 BMW 335i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Unfasten plug connection (1) and disconnect.

Disconnect cable straps.

Release wiring harness (2) from cable holders on seat mechanism.

IMPORTANT: Feed the wiring harness carefully through the seat and backrest mechanism as the edges of the frame can be sharp.

Fig 1: Locating Plug Connection And Wiring Harness

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Detach backrest cover (1) from backrest frame.

Fig 2: Removing Backrest Cover From Backrest Frame

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NOTE: For the following tasks, be sure without fail to:

Remove and install SIDE AIRBAG

Detach mounting strip (4) from flexmat.

Carefully pull airbag module (3) with threaded pins out of backrest frame and feed out between padding (1) and inner bag (2).

Set down airbag module (3) to one side.

Fig 3: Removing Mounting Strip From Flexmat

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Installation:

Pull inner bag (1) fully over airbag module and threaded pins.

Feed in mounting strip (2) of inner bag (1) through backrest frame.

Insert threaded pins into backrest frame and secure with new nuts.

No inner bag material is permitted to project through the hole in the inner frame.

Install nuts and tighten down.

Tightening torques 72 12 02AZ .

Fig 4: Removing Mounting Strip Of Inner Bag Through Backrest Frame

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Installation:

Inner bag must be between airbag module and backrest frame!

Engage mounting strip (1) of inner bag in flexmat.

Position inner bag (2) smoothly over backrest frame.

Engage backrest cover (3) in backrest frame.

Fig 5: Identifying Mounting Strip, Inner Bag And Backrest Cover

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Pull off backrest cover (1) with padding sideways and towards top from backrest frame.

Fig 6: Removing Backrest Cover

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Release all retainers in marked area.

Remove backrest cover from padding.

NOTE: Remove all remnants of retainers from backrest cover and padding.

Fig 7: Retainers Location On Backrest Cover

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Installation:

Bend new retainer (2) with special tool 52 0 050 .

Padding
Retainer
Trim thread in padding
Trim wire in backrest cover
Back-rest cover

Fig 8: Bending Retainer Using Special Tool (52 0 050)
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