52 17 022 Removing and installing/replacing adjusting unit for thigh support on front passenger seat

Special tools required:

Move front seat into top position.

Unclip cover (1) with special tool 00 9 325 starting at the inside (arrow).

Fig 1: Moving Front Seat Into Top Position

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Fold up and unclip cover (1).

Fig 2: Folding Up And Unclip Cover

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Move thigh support (1) as far forward as possible.

Fig 3: Identifying Seat Support

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Release screws (1).

Disconnect plug connection (3).

Remove thigh support (2) towards top.

Installation note:

Insert screws (1) with Loctite.

Tightening torque 52 10 11AZ.

Fig 4: Identifying Screws, Plug Connection And Support

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Unclip and remove cover (1) toward the top with special tool 00 9 325 .

Installation note:

Secure guide pins (2) in seat frame and clip cover (1) into place.

Fig 5: Securing Guide Pins In Seat Frame And Clip Cover

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Disconnect plug connection (1).

Fig 6: Identifying Seat Motor Plug Connection

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Release screws (1).

Tightening torque 52 10 09AZ.

Fig 7: Identifying Seat Rail Mounting Bracket Screw

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Raise adjusting unit (1) complete with electric motor in direction of arrow and feed out downward.

Fig 8: Raising Adjusting Unit Complete With Electric Motor

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Installation note:

Adjusting unit (1) must lie flush on facing (2).

Fig 9: Identifying Adjusting Unit And Facing

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Installation note:

Make sure latch mechanism (1) of adjusting frame is correctly on frame (2) (as illustrated).

Fig 10: Identifying Latch Mechanism And Frame

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