LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 289 (Seats - Repair) >> Front Seat, Sports, Manual >> 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)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

Necessary preliminary tasks: 

WARNING: Only US and Canadian version of front passenger seat (with CIS mat):
The CIS mat is bonded to the entire surface of the facing and can only be removed in conjunction with the padding from the seat cover.
If CIS mat or padding is defective, both parts may only be replaced together.
Full functional capability can only be guaranteed with original BMW spare parts.
After installation, the CIS mat must be enabled with the BMW PROGRAMMING SYSTEM .
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 connectors are correctly seated in latch mechanisms.

Version with seat occupancy detection (CIS mat) only: 

Cut open cable strap (1).

Raise the tab and pull connector (2) out through the side of the connector housing (3).

Installation note: 

Replace cable tie (1).

Connector (2) is encoded against incorrect assembly.

Fig 1: Pulling Seat Connector
G09948702Courtesy of BMW OF NORTH AMERICA, INC.

Version with seat heating only: 

Unlock plug connection (1) for seat heating and disconnect.

Unfasten cable strap.

Disengage wiring harness from cable clips (flexmat).

Fig 2: Identifying Seat Plug Connection
G06911095Courtesy of BMW OF NORTH AMERICA, INC.

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

Cable for seat heating, seat cushion: 

Seat heating is integrated in the CIS mat and is stuck to the upholstery over the full surface.

Lay cable for seat heating as shown to flexmat and secure with cable strap.

Secure connector with cable strap to cable.

Fig 3: Locating Seat Heating Cable Strap
G06911096Courtesy of BMW OF NORTH AMERICA, INC.

Cable for seat heating, thigh support: 

Cramp cable (1) to welt strip with clamps (2).

Installation note: 

Bend clamps (2) with special tool 52 0 050 .

Fig 4: Identifying Cable And Retainers
G06911245Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Identifying Connector Behind Welt Strip
G06911246Courtesy of BMW OF NORTH AMERICA, INC.

Unlock retaining lugs (1).

Remove seat trim (2) downwards.

Installation note: 

Seat trim (2) must not be damaged.

Fig 6: Removing Seat Trim
G05779617Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation note: 

If necessary, replace faulty clip.

Fig 7: Identifying Seat Cover Clamp
G09839676Courtesy of BMW OF NORTH AMERICA, INC.

Tunnel side: 

Disengage cover fastener (1) from belt deflector trim.

Fig 8: Identifying Cover Fastener Of Belt Deflector Trim
G06911098Courtesy of BMW OF NORTH AMERICA, INC.

Detach seat cover (1) from seat frame.

Fig 9: Detaching Seat Cover From Seat Frame
G09851318Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 10: Pulling Cover Welt From Seat Frame
G09851530Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Installation note: 

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

Fig 11: Removing Seat Cover With Padding
G09851531Courtesy of BMW OF NORTH AMERICA, INC.

Version with seat heating and/or seat occupancy detection (CIS mat): 

Release the corresponding plug connections depending on the version and disconnect.

Pull seat cover (1) with upholstery forward a little and feed wiring harness (2) out.

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

Fig 12: Identifying Seat Cover And Wiring Harnesses
G09948756Courtesy of BMW OF NORTH AMERICA, INC.

Release all clamps in marked area.

Fig 13: Identifying Seat Cover Clamps Area
G09851519Courtesy of BMW OF NORTH AMERICA, INC.

Detach all clamps in side area from OKE strips.

Carefully fold back seat cover and release clamps from OKE strips.

Remove seat cover from upholstery.

IMPORTANT: Remove all remnants of clips from seat cover and upholstery (CIS mat).
Fig 14: Identifying Seat Cover And Upholstery
G09851534Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

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

  1. Upholstery
  2. Clamp
  3. Trim wire in upholstery
  4. OKE strip in cover
  5. Seat cover
    Fig 15: Installing Retainers Using Special Tool (52 0 050)
    G09851523Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Enabling seat occupancy detector (CIS mat): 

scientia non olet · About LEMON Manuals