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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 988 (Seats - Repair - F31) >> Front Seat, Normal, Manual >> 52 13 030 Removing and installing/replacing backrest frame on left or right front seat (normal/manual)

52 13 030 Removing and installing/replacing backrest frame on left or right front seat (normal/manual)

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IMPORTANT: When working on the front seat it is absolutely essential to observe the safety regulations on handling airbag modules.
Improper handling may trigger the side airbag and as a result cause injuries.

Necessary preliminary work: 

Cut open cable strap (1).

Press locks (2) outwards and at the same time remove connector (3) in direction of arrow from connector housing (4).

Fig 1: Removing Connector From Connector Housing
G10097575Courtesy of BMW OF NORTH AMERICA, INC.

Unclip airbag wiring harness (1) in marked area.

Release airbag wiring harness (1) from cable clips on seat mechanism.

Fig 2: Airbag Wiring Harness
G10097576Courtesy of BMW OF NORTH AMERICA, INC.

Version with seat heating only: 

Unlock plug connection (1) and disconnect.

Unclip wiring harness (2) in marked area.

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

IMPORTANT: Feed all the wiring harnesses carefully through the seat and backrest mechanism as the edges of the frame can be sharp.
Fig 3: Wiring Harness And Plug Connection
G10097577Courtesy of BMW OF NORTH AMERICA, INC.

Unhook backrest cover (1) on left and right.

Release screws (2) on left and right.

Tightening torque: 52 10 02AZ .

Remove backrest frame (3) completely towards top.

Fig 4: Removing Backrest Frame
G09851275Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: