52 14... Additional work (normal/electric) with defective drive/gear for longitudinal adjustment: Notes

WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Seat rails must be replaced by detaching worm gear.

Move seat height and seat tilt adjustment to top position.

To obtain improved access if necessary:

Release screws (1).
Tip seat towards rear.

Fig 1: Locating Screws

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Installation:

Tightening torque, 52 10 6AZ. Refer to SEATS - TIGHTENING TORQUES .

Lift drive (1) and flex shaft (3) out of guide (2) in direction of arrow.

Fig 2: Removing Flex Shaft

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Detach flex shaft (3) (plug connection).

Release screws (1).

Fig 3: Removing Drive

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Remove drive (4).

Detach flex shaft (3) with holder (2).

Activate the operating switch for the seat position adjustment:

No function:
- Disconnect plug connection on drive.
- Connect new drive and check function.
- Gear is O.K. if drive runs.
Assemble seat.
Drive running:
- Gear for longitudinal seat adjustment defective.