52 15 400 Replacing Seat Cover For Left or Right Front Seat (Sport/Manual)

52 15 400 Replacing Seat Cover For Left Or Right Front Seat (Sport/Manual)

Special tools required:







Necessary preliminary tasks:
- Remove front seat
- Remove thigh support

- Manual version:
Remove outer cover

- Electric version:
Remove carrier for cover







WARNING: US/CDN front passenger seat (with CIS mat) only:
- If CIS mat or padding is defective, both parts must be replaced together.







IMPORTANT: The CIS mat must be enabled after each installation operation.

Enabling seat occupancy detector (CIS mat):
- Connect BMW programming system
- Encode airbag control unit
- Clear fault memory if necessary







WARNING: US/CDN front passenger seat (with CIS mat) only:
- To avoid damaging the CIS mat, it is essential to carry out the following operations with extra care.







IMPORTANT:
- Risk of damage on sharp-edged seat mechanism.
- Guide all cables carefully through seat and backrest mechanism.
- Make sure cable is routed without kinks and tension.
- Make sure plug connections are correctly locked.
- Make sure plugs are correctly seated in catches.







Version with seat occupancy detector (CIS mat) only:
1. Data line CIS
2. Earth cable, seat pan
3. Earth cable, backrest frame

Unlock all plug connections and disconnect.

NOTE: From build date 09/2009 onward, earth cable (3) not included on backrest frame.







Version with seat heating only:
Unlock plug connection (1) for seat heating and disconnect.
Unfasten cable strap.
Disengage wiring harness from cable clips (flexmat).







Version with seat occupancy detector (CIS mat) without seat heating only:

Cable for seat heating, seat padding:
Seat heating is integrated in the CIS mat and is stuck to the padding over the full surface.
Lay cable for seat heating as shown to flexmat and secure with cable strap.
Secure plug with cable strap to cable.







Cable for seat heating, thigh support:
Cramp cable (1) to welt strip with retainers (2).

Installation:
Bend retainers (2) with special tool 52 0 050.







Clamp plug (1) behind welt strip (2).







Unlock retaining lugs (1).
Remove seat trim (2) downwards.

Installation:
Seat trim (2) must not be damaged.







Lever clip (1) out of seat cover on left and right.

Installation:
If necessary, replace faulty clip.







Tunnel side:
Disengage cover fastener (1) from belt deflector trim.







Detach seat cover (1) from seat frame.







Pull out cover welt (1) completely from seat frame (2).







Remove seat cover (1) with padding towards front/top.

IMPORTANT: Carefully slide bracing cloth with foam through backrest gap and seat structure.

Installation:
Slide foam completely through backrest gap and seat structure. Make sure foam and bracing cloth are correctly fitted.







Version with seat heating and/or seat occupancy detector (CIS mat):
Release the corresponding plug connections depending on the version and disconnect.
Pull seat cover (1) with padding forward a little and feed wiring harness (2) out.
Remove seat cover (1) with padding towards front/top.







Release all retainers in marked area.







Detach all retainers in side area from OKE strips.
Carefully fold back seat cover and release retainers from OKE strips.
Remove seat cover from padding.

IMPORTANT: Remove all remnants of clips from seat cover and padding (CIS mat).







Installation:
Bend new retainers (2) with special tool 52 0 050.
1. Padding
2. Retainer
3. Trim wire in padding
4. OKE strip in cover
5. Seat cover