52 14 000 Removing and installing left or right front seat (normal/electric)

IMPORTANT: An airbag module and a pyrotechnical seat belt tensioner are installed in the front seat.
Improper handling can lead to triggering of the pyrotechnical seat belt pretensioner or side airbag, resulting in injuries.

Installation:

Powerlok screws must be replaced and must not be reused.
Powerlok screws are mechanical screw locks with trilobular threads.

Move seat to upper back position.

Remove seat runner trims.

Release and dispose of screws (3).

Fig 1: Identifying Seat Runner Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Move front seat forwards and position flush with seat runners.

Release and dispose of screws (1).

Fig 2: Identifying Seat Runner Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

IMPORTANT: Cover door sill with protective covers (risk of damage).

Lift out front seat.

Fig 3: Identifying Plug Connection

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Installation:

Carpet must not get between seat rails and floor pan in area of fastening points (grating noises).
Replace microencapsulated screws.
Insert all screws loose to avoid twisting.
Tighten down all screws to specified torque.
Tightening torque: 52 10 1AZ

WARNING: When carrying out further work on the front seat, it is absolutely imperative to observe the SAFETY REGULATIONS on handling airbag modules and pyrotechnical seat belt tensioners.
Improper handling can lead to triggering of the pyrotechnical seat belt pretensioner or side airbag, resulting in injuries.