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 front passenger seat. See REMOVING DRIVER'S SEAT or REMOVING FRONT PASSENGER SEAT .
Remove lower strap (belt tensioner). See PASSENGER SEAT or DRIVER'S SEAT
Remove COVERS FOR TOP RAIL

Unlock and disconnect plug connection (1) on drive unit for forward/back seat adjustment.

Fig 1: Identifying Seat Adjustment Motor Plug Connection

G09879858

Courtesy of BMW OF NORTH AMERICA, INC.

Release left and right screws (1).

Tightening torque 52 10 06AZ .

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

Remove seat rails with motor carrier plate.

Fig 2: Identifying Seat Rails Motor Carrier Plate Nut And Screws

G09879859

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only

Release screws (1).

Fig 3: Identifying Seat Rails Motor Carrier Plate Screws

G09879860

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: Detaching Motor Retaining Plate

G09879861

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

PTFE hoses are shrink-fitted onto end pieces.

Check that hoses are free from damage.

Fig 5: Identifying PTFE Hoses

G09879862

Courtesy of BMW OF NORTH AMERICA, INC.