52 17 010 Removing and installing or replacing both seat rails on left or right front seat (comfort)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

Remove front seat,

refer to 52 17 000 REMOVING AND INSTALLING FRONT SEAT (COMFORT)

Remove seatbelt tensioner.

Remove hose from lumbar support pump and disconnect connector.

NOTE: Brace hose connection on lumbar support pump with pincers (risk of damaging lumbar support pump).

Fig 1: Removing Hose From Lumbar Support Pump

G03154115

Courtesy of BMW OF NORTH AMERICA, INC.

Only replace:

If necessary, cut through cable tie (1).

Unfasten detent (2). Twist lumbar support pump (3) downwards and pull backwards to remove.

Fig 2: Removing Lumbar Support Pump

G03154116

Courtesy of BMW OF NORTH AMERICA, INC.

Only replace:

Unfasten screw and pull interior finisher forwards to remove.

Fig 3: Unfastening Screw And Pulling Interior Finisher Forward

G03154117

Courtesy of BMW OF NORTH AMERICA, INC.

Only replace:

Unscrew screw. Lift outer finisher backwards and upwards and pull forwards to remove.

Fig 4: Unscrewing Screw And Lifting Outer Finisher Backwards And Upwards And Pull Forwards To Remove

G03154118

Courtesy of BMW OF NORTH AMERICA, INC.

Remove connector (1), unlock detent lugs (2) and pull connector (3) backwards to remove. Remove wiring harness (4) from guide (5).

Fig 5: Removing Wiring Harness From Guide

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Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws and pull seat rails forwards to remove from seat frame.

Installation

Replace screws (microencapsulation).
Tightening torque, refer to SEATS - TIGHTENING TORQUES - 540i

Front screws are longer than screws at back.

Fig 6: Unfastening Screws And Pulling Seat Rails (1 Of 2)

G03154120

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws and pull seat rails backwards to remove from seat frame.

Installation

Replace screws (microencapsulation).
Tightening torque, refer to 52 10 6AZ in SEATS - TIGHTENING TORQUES - 540i

Screws at back are longer than screws at front.

Fig 7: Unfastening Screws And Pulling Seat Rails (2 of 2)

G03154121

Courtesy of BMW OF NORTH AMERICA, INC.

Front passenger's seat only:

Lift out detent (1) for left/right longitudinal seat adjustment.

Fig 8: Lifting Out Detent For Left/Right Longitudinal Seat Adjustment

G03154122

Courtesy of BMW OF NORTH AMERICA, INC.