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Seat Switch Replacement
 
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Pelican Technical Article:

Seat Switch Replacement

Nick Czerula

Time:

2 hours2 hrs

Tab:

$200

Talent:

***

Tools:

Plastic prying tool, flathead screwdriver

Applicable Models:

BMW X5 (2000-06)

Parts Required:

Seat switches

Hot Tip:

Be careful not to damage seat trim panel when removing

Performance Gain:

Proper power seat function

Complementary Modification:

Clean under your seat

The seat switches are mounted to the side of the front driver and passenger seats. The seat switches control fore, aft and height movement of the seats. These switches fail and wear out over time, leaving you with a non-functioning seat. I have seen cases where the switches have been stepped on by a child or hit with something and broken. If you are left to deal with any of these problems, this tech article will show you how to replace the seat switches. First you will have to remove the seat from the vehicle and then remove the seat trim to access the switches. While you have the seat out, take the time to grab all the items you may have dropped and not been able to reach, and clean any dirt and debris from beneath the seat.

Move the seat all the way forward.

The seat has two main switches, one for lumbar (green arrow) and one for the memory and seat position (yellow arrow).
Figure 1

The seat has two main switches, one for lumbar (green arrow) and one for the memory and seat position (yellow arrow). Each one can be replaced separately. The lumbar switch on my subject vehicle was not functioning properly.

Working at the rear of the seat switch trim panel, remove the T20 Torx screw (green arrow).
Figure 2

Working at the rear of the seat switch trim panel, remove the T20 Torx screw (green arrow).

Pull the seat switch trim panel away from the front of the seat.
Figure 3

Pull the seat switch trim panel away from the front of the seat. Now comes the tricky part. There are two retaining clips you have to disconnect. They are located at the top front of the panel. I like to use a flathead screwdriver to release them (green arrows).

This photo shows the trim panel already removed.
Figure 4

This photo shows the trim panel already removed. The green arrow indicates the direction of removal. The yellow arrows point to areas of clips you have to detach to release the panel. Slide a flathead screwdriver down between the trim panel and the seat. Pull the cushion away from the trim panel. You will be able to see the clips noted. Press down with the screwdriver to release the panel.

Working at the front of the panel, unplug the lumbar connector (green arrow) by pulling it straight out of the switch.
Figure 5

Working at the front of the panel, unplug the lumbar connector (green arrow) by pulling it straight out of the switch. Note the damage (yellow arrow) to my switch. This is why is wasn't functioning. It looks like the connector was yanked out sideways.

To replace the lumbar switch, lever the retaining tab (yellow arrow) away from the switch while pulling the switch out to detach the clips (green arrows).
Figure 6

To replace the lumbar switch, lever the retaining tab (yellow arrow) away from the switch while pulling the switch out to detach the clips (green arrows). To install, snap the new switch into place.

Working at the main switch, disconnect the main front electrical connector by pressing the release tab and opening the gray lever (yellow arrow).
Figure 7

Working at the main switch, disconnect the main front electrical connector by pressing the release tab and opening the gray lever (yellow arrow). Then pull the center (red arrow, hidden under harness) and end electrical connector (green arrow) straight out of the switch to remove it.

Next, disconnect the main electrical connector.
Figure 8

Next, disconnect the main electrical connector. Slide the locking tab away from the switch (blue arrow) while pulling the connector out of the switch. Then, disconnect the seat switch trim panel retaining clips (green arrows). Just pull up on the tab to release from the clip. Be careful not to break while disconnecting. Now you can remove the seat switches from the trim panel. Use a small flathead screwdriver to release the retaining tabs (green arrows), then pull the switch out. When removing, angle the switch to remove it from the lower tab (yellow arrow). To install the new switch, slide the top three retaining tabs (green arrows) partially into the switch, (not all the way) then angle it into the lower tab (yellow arrow). Slide it into the tabs and snap it into place. You will hear the tabs engage with an audible snap. Reverse the directions to reassemble switches and the trim panel. Install the seat and check the switches/seat function.

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Page last updated: Fri 12/9/2016 02:40:32 AM