52 14 010 Removing and installing/replacing both seat rails on left or right front seat

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Necessary preliminary tasks:

Remove DRIVER'S or PASSENGER seat.
Remove lower strap (belt tensioner). See LOWER STRAP, DRIVER'S SEAT or LOWER STRAP, FRONT PASSENGER SEAT .
Remove TRIMS FOR TOP RAIL

Unlock and disconnect plug connection (1) on drive for longitudinal seat adjustment.

Fig 1: Identifying Plug Connection

G08472438

Courtesy of BMW OF NORTH AMERICA, INC.

Release left and right screws (1).

Tightening torque: see 6AZ in 52 10 FRONT SEATS

Release nuts (2) on left and right on carrier plate.

Remove seat rails with motor carrier plate.

Fig 2: Identifying Carrier Plate Nuts And Screws

G08472439

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only:

Release screws (1).

Fig 3: Identifying Carrier Plate Screws

G08472440

Courtesy of BMW OF NORTH AMERICA, INC.

Detach left or right seat rail from flex-shaft.

Detach motor retaining plate with drive and flex-shaft from opposite seat rail.

Fig 4: Removing Left Or Right Seat Rail From Flex-Shaft

G08472441

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

PTFE hoses are shrink-fitted onto end pieces.

Check that hoses are free from damage.

Fig 5: Identifying PTFE Hoses End Pieces

G08472442

Courtesy of BMW OF NORTH AMERICA, INC.