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Home >> BMW >> 2018 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 475 (Electrical Drives - Repair) >> Drive, Seat Adjustment >> 67 31 521 Removing and installing/replacing seat height adjustment drive unit

67 31 521 Removing and installing/replacing seat height adjustment drive unit

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Necessary preliminary tasks: 

Unlock plug connections (1) and disconnect.

Unfasten screws (2).

Remove seat height adjustment drive unit.

Installation note: 

Make sure drive shaft is correctly seated in gearbox.

Fig 1: Identifying Plug Connections And Screws
G06852184Courtesy of BMW OF NORTH AMERICA, INC.