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BMW/Electrical 1994 740i

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Question
Josh, my remote mirrors stopped responding to the switch.  This happened about the same time as my driver side front window started going up in spurts when I raise it.  It moves about 6 inches stops, and I have to keep pushing the button.  It goes another 6 inches and I repeat the process until it gets to the top.  I sense that it is related to the mirror problem.  I wanted to check the fuses under the back seat, but I can't get the seat removed.  I have already checked the fuses under the front hood and they are ok.  Does it sound like a fuse? Can you tell me how to raise the seat.  Thanks Josh.

Answer
Declan,
 I have never removed a seat from a 7-series, but it should be just like the 5-series.  It seems like it is unmoveable, but if you grab the bottom of the seat where the carpet meets the seat, you should be able to "pop" it up.  If you are putting too much force on it, it might be stuck.  No tools should be needed to remove this seat.  Some of the electrical problems can be a pain to sort out, but my guess is the switch(s) are malfunctioning.  This is especially true is you or the previous owner has spilled a drink (other than water) onto the switches.  The sugar will get in there and coat the contacts, preventing a good connection.  You should be able to pop out the window switch and clean it with some contact cleaner.  
 I would try this first, then move on to buying parts

 Hope this helps,
 Josh

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Josh Fields

Expertise

I can answer questions related to the BMW e30. These are the cars produced from 1984-1991 (1992 for convertable) in the United states. I am more fluent with the six cylinder models, although few things changed for the 4 cylinder cars. I know most of the problematic areas of these cars, and have found ways to fix them.

Experience

I have owned six different E30's over the last 10 years. I do all my own work, and know about ever nut and bolt on these cars.   

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BMW Car Club of America

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