52 13 400 Replacing Seat Cover On Left Or Right Front Seat (Normal/Manual)
Special tools required:
- 52 0 050
Necessary preliminary tasks:
- Remove inner cover, refer to 52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL)
- Remove cover (normal/electric), refer to 52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC) or outer actuating unit, refer to 52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL) .
When replacing seat cover:
If seat cover is defective, seat cover and support with OC3 mat must be replaced together.
New seat cover is supplied with support, OC3 mat and if necessary seat heating.
When replacing support with OC3 mat:
If OC3 mat or support is defective, both parts may only be replaced together. These must be fitted with the seat cover from the car.
Enabling seat occupancy detector (OC3 mat):
- Connect BMW diagnosis system
- Release seat occupancy detector
- Clear fault memory if necessary
Seat with electric actuating unit only:
Release screws (1). Pull trim (2) out a little and release screw (3).
Release clip (5) from carrier (4). Remove trim (2) and carrier (4).
Installation:
Cable holders (1) on carrier (2) must not be damaged.
E46 only:
Pull out tongue (1) on seat cover (2) on left/right.
Detach seat cover (1) from seat frame (2).
Version with seat occupancy detector:
If necessary, disconnect plug connection (1) from control unit (2).
Version with seat heating:
If necessary, lever catch (1) towards top and detach cover (2).
Disconnect plug connection (1) from seat heating.
Disconnect plug connection (1) from seat heating. Expose cable (2).
Release retainers (1) on left/right. Pull out cover tabs (2) on left/right.
Pull out cover welt (1) completely from seat frame (2).
Installation:
Begin assembly in middle. Cover piping (1) and seat frame (2) have markings for middle position.
Fold in tongues (1) on seat cover and push through under backrest (2) towards front.
Model without seat heating and without seat occupancy detector:
Remove seat cover (1) towards front/top.
Version with seat heater and/or with seat occupancy detector:
Pull seat cover (1) forward a little and feed cable (2) out. Remove seat cover (1) towards front/top.
Installation:
The support is coated with wax to prevent grinding noises. Do not remove wax (1) on seat pan (2).
Replacing support:
Detach retainers (1) at rear left/right from support (2).
Version with OC3 mat:
OC3 mat must not be kinked under any circumstances.
Detach all retainers in side area from longitudinal wires (1).
Pull trim wires (1) forward out of seat cover. Carefully fold back seat cover and release retainers from cross-wires (2).
Remove seat cover from support.
Support (1) with OC3 mat (2).
Installation:
Bend new clips (2) with special tool 52 0 050.
- Support
- Retainer
- Trim thread in support
- Trim thread in cover
- Seat cover
The support is coated with wax to prevent grinding noises. Do not remove wax (1) on support (2).
Passenger seat only (replacing support):
Installation:
Make sure foam is not extensively damaged (malfunction of passenger seat occupancy detector).
Fit new sensor mat (1) for passenger seat occupancy detector.
Align new sensor mat (1) on foam (2). Feed plug (3) through bore hole (4).
Passenger seat only (replacing sensor mat):
Passenger seat only (replacing support):
Installation:
Detach liner (1) at individual points and stick sensor mat (2) onto foam (3).
Passenger seat only (replacing sensor mat):
Pull plug (1) out of bore hole (2).
Make sure foam is not extensively damaged (malfunction of passenger seat occupancy detector).
Carefully remove sensor mat (3) from support (4).
Replacing seat cover:
Remove trim threads (1) from seat cover (2). Cut new seat cover (2) to size and insert trim threads (1).
Cable (3) for seat heating.