Removing and installing/replacing drive unit for seat cushion tilt adjustment (M4 Coupe)

Necessary preliminary work: 

• Remove driver's or front passenger seat. Refer to REMOVING AND INSTALLING FRONT SEAT, DRIVER'S SIDE or REMOVING AND INSTALLING FRONT SEAT, PASSENGER'S SIDE .
• Remove head restraint
• Remove FRONT SEAT COVER .

Release screws (1).

Remove cushion shell (2).

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Detach spring (1) at seat frame (2).

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Remove fuse (1) from shaft (2).

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Unscrew nuts (1).

Pull drive with transmission (3) out of seat frame (2) and remove.

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Unlock plug connection (2) and disconnect.

Unfasten screws (3).

Tightening torque 67 31 1AZ .

Remove drive unit for seat cushion tilt adjustment (1).

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Replacement: 

Initialize SEAT HEIGHT ADJUSTMENT DRIVE UNIT .