Front Seat Removal and Installation
* If the seat longitudinal adjustment motor is faulty, refer to the note at the end of this section.
REMOVAL
1. Set the seat upright and move it fully forward.
2. Remove the seat belt anchor bolt.

3. Move the stopper (1) rearward and push it inward. Remove the seat belt height adjuster (2) forward.

4. Pry the inner covers upward (1). To do this, release the clip. Remove it at the center (2) upward and take it off rearward (3).

5. Disconnect the plug connector (2) by opening the lock (1).

6. Remove the rear bolts.

7. Move the seat fully rearward.
8. Power seat adjustment: Open the cover (A) forward. Open the lock (B) (1) and disconnect the plug connector (2).

9. Remove the front bolts.
* If the seat is being transported, removed, or left removed for a long time, lock the seat belt tensioner. Refer to Seat Belt Tensioner Protection.

INSTALLATION
1. Install the seat.
* The mat must be located in the area of the screw mounting points, not between the seat rails and the floor pan. Otherwise, a noise may occur while the vehicle is moving.
2. Secure the seat with new bolts. First the rear, then the front. Do not fully tighten the mounting bolts.
* If the old bolts are used, apply LOCTITE 270 thread locking compound to them before installation.
3. Tighten the bolts to 40 N·m in the following sequence: front inner, front outer, rear inner, rear outer.
4. Power seat adjuster: Move the seat fully rearward, connect the plug connector and lock it. Install the cover.
5. Connect the multi-pin connector and lock it.
6. Install the sun visors.
7. Connect the height adjustment cable and secure it.
8. Tighten the seat belt lower anchor bolt to 50 N·m.
Only if the power fore/aft seat adjuster is faulty
PROCEDURE
1. Remove the inner seat track cover.
2. Move the seat recline adjustment mechanism to the upper position.
3. Disconnect the connector from the pump, if equipped.
4. Remove the two bolts securing the front seat track and tilt the seat rearward.
5. Remove the two bolts securing the power fore/aft seat adjuster and remove the adjuster.
6. Press the fore/aft adjustment switch.
7. Adjustment does not work: Connect and operate a new adjuster. If the adjustment now works, the gear unit is serviceable. Only the power adjuster needs to be replaced.
8. Power adjuster operates, seat does not move: The gear unit is faulty. Replace it.
9. Disconnect the fore/aft seat adjustment connector.
10. Cut the connecting shaft.
11. Remove the two mounting nuts and remove the gear units on the left and right. After this, the seat can be moved by hand.
12. Secure the seat rails with bolts (for removal only).
13. Remove the seat and replace the rails with new ones.
Test yourself
A quick BMW 1 quiz: every answer comes with an explanation and a link to the manual page.