1. Open the hood and remove the cover from the Z3s fuse block. 2. Remove the fuse from slot 14 and install a replacement 30A fuse. Reattach the cover to the fuse block. If the power seats are still malfunctioning, you may need to replace the motor. 3. Slide the Z3s seat all the way to the back and use a socket wrench to remove the retaining nut from the front of the seat. Slide the seat all the way to the front and remove the two bolts at the rear of the seat. 4. Unplug the two electrical connectors of the Z3s seat and remove the seat from the vehicle. 5. Use a flat-head screwdriver to remove the four clips from below the seat, retaining the cushion with the metal part of the seat. Remove the two Torx screws with a Torx screwdriver and remove the cushion from the seat. Once the cushion has been removed, you can locate the seat motor at the bottom, right corner of the seat. 6. Remove the four Torx screws from the seat motor and disconnect its electrical connector. Remove the...