52 17 020 Removing and installing/replacing seat frame on left or right front seat (comfort)
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 front seat. Refer to 52 17 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (COMFORT) .
- Remove both rear panels on front seat backrest. Refer to 52 17 205 REMOVING AND INSTALLING/REPLACING BOTH REAR PANELS ON LEFT OR RIGHT FRONT SEAT BACKREST (COMFORT) .
- Remove outer cover. Refer to 52 14 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT (BASIC/ELECTRIC)
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E60 only: Remove actuating unit. Refer to 61 31 203 REPLACING SEAT ADJUSTMENT SWITCH COMBINATION (FULLY ELECTRIC FRONT SEAT) .
- Remove inner cover on front seat. Refer to 52 17 041 REMOVING AND INSTALLING/REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT (COMFORT) .
- Remove adjustment unit for thigh support. Refer to 52 16 023 REMOVING AND INSTALLING/REPLACING ADJUSTING UNIT FOR THIGH SUPPORT ON LEFT OR RIGHT FRONT SEAT and 52 17 023 REMOVING AND INSTALLING/REPLACING ADJUSTING UNIT FOR THIGH SUPPORT ON LEFT OR RIGHT FRONT SEAT .
- Remove backrest frame on front seat. Refer to 52 17 030 REMOVING AND INSTALLING/REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (COMFORT) .
- If necessary, remove drive unit for active seat. Refer to 52 17 025 REMOVING AND INSTALLING/REPLACING DRIVE FOR LEFT OR RIGHT ACTIVE SEAT (COMFORT) .
Remove wiring harness (1) from seat frame (2).
Release rivets (1) on left and right, remove fastening strips (2) on left and right.
Release screws (3).
Tightening torque, refer to 52 10 6AZ in SEATS - TIGHTENING TORQUES - 545I (4.4L) E60/N62 .
Remove seat frame.
Installation:
When replacing backrest or seat frame, break off centering hooks (1) from seat frame.
The new seat frame part contains all the drives.