67 31 500 Removing and installing/replacing drive unit for longitudinal seat adjustment

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Remove trims for top rail. Refer to 52 17 ... REMOVING AND INSTALLING/REPLACING ALL TRIMS ON LEFT OR RIGHT SEAT RAILS .

Disconnect plug connections (1).

Release expander rivets (2), replace if necessary.

Fig 1: View Of Expander Rivets

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IMPORTANT: Do not kink drive shafts (4).

Raise flange (1) with drive unit for longitudinal seat adjustment (2) slightly and detach from left drive shaft.

Feed out drive unit for longitudinal seat adjustment (2) in direction of arrow and detach from right drive shaft.

NOTE: To facilitate installation/removal, lever out guide clip (3) if necessary.

Fig 2: Identifying Flange With Drive Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure guide clips (3) and both drive shafts (4) are correctly seated.

Comfort Seat Only:

Replacement:

Initialize drive unit for longitudinal seat adjustment. Refer to 67 31 ... NOTES ON INITIALIZING ELECTRIC SEAT SERVODRIVES