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ahager
03-13-2004, 06:09 PM
The electric seats in my '84 733i are suddently flaking out. They recently went on the blink seemingly without warning. The drivers seat stopped moving back and forth; I think this is because something might be jamming the mechanism. I an see the cable flexing and can hear the motor clicking ... but the seat does not move.

The passenger seat is totally out. No clicking, no cable flexing nuttin. Well, I can hear some "clicking" for the headrest, but it does not move. Everything used to work - all movements. Now it does not - seems sudden. Fuses are OK too.

Any ideas? Any suggestion of where to start?

Thanks!!!

AHager 84 e23 & 90 E34 - All 5 speed!!!

Jimbo733i
03-14-2004, 07:04 AM
...head rest cables, it seems the cables tend to streach over time and disengauge the motor. simple fix is take off the cable and just drop a short, like less then 1/4 inch long piece of hard thick wire (could even use plastic tube) all it does is push the cable up a little so it engauges the drive on the opposite end. If I remember correctly it kinda makes a clicking noise...

As for the no movement what so ever, I dont really know, I'd suggest checking power at the switch, then resistance from the switch to the motor to see if the wires broke in the harness like mine has.

~James

kff
03-14-2004, 11:06 AM
Although I have repaired the headrest shrinking cable problem with a chunk of plastic tubing 1/4" long in the motor end of the cable, this is another method that seems easier.


<a href="http://www.***********.com/forums/posts/5326">headrest fix</a>
<img src="http://745i.no-ip.org/discussion/avatars/mechanic.gif" HEIGHT=64 WIDTH=64>

Keith F.
1985 Hartge H7s 5-speed, 1985 535i 5-speed, 1986 325e 5-speed
<img src="http://www.***********.com/members/kff/Hstripe.jpg">
My 7, Justin's 5 and Dana's 5 (now Tim's) all Hartges!! Photo by Justin, Thanks.
<img src="http://www.***********.com/members/kff/3Hartges.jpg">

clinta74
03-15-2004, 03:15 PM
Pull the switches and plug under seat and see if you have power at both places. Switches constantly get dirty & stick. I also had a problem with the seat wiring harness that runs under the drivers side carpet (right where your right foot is), that had broken and shorted wires..


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