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Old 09-26-2009, 05:21 AM   #1 (permalink)
KevinK's Avatar
Join Date: Sep 2009
Location: Skien in Telemark, Norway
Car: BMW 520i(525i) 1989
Posts: 4
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E34 M5 memory power seats into E34 520i

Hi, the previous owner of my 520i installed black leather interior from a M5 1994.
As you might know, the passenger seat does not have a memory function and is easy to bypass, but the drivers seat he could'nt figure out.

I cant figure it out either, I understand that I have to split the original connector from my 520i, but I have no idea what has to go where.
I don't care if the memory function don't work, all I need is the adjustment to be functional.

I read that you can ground a wire to bypass the memory function, but I have given up.
Here are pictures of the connectors:

The one from the cars original harness:

This connector is just the same as mine, only I have one extra blue/white wire I think is for the background light.

The ones on the seat:

I have figured out that the small connector is for the heat.

Appriciate all suggestions, thanks !
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Old 09-27-2009, 10:12 AM   #2 (permalink)
Join Date: May 2009
Location: Parsippany, NJ
Car: 1995 530i & 1986 535i
Posts: 41
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I read in another board that you need the wiring loom from the car that had the memory seat. It then plugs somewhere under the carpet of your car. You need to get the woring diagrams i order to splice the wires correctly.
Good Luck!
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Old 11-01-2009, 11:25 PM   #3 (permalink)
Join Date: Nov 2009
Location: Toronto
Car: e34 535i & e30 325i convertible
Posts: 9
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hey kevink i have same problem as yours, did you find solution?
i have 1992 535i with standard power seats (no memory) which were bad condition so i got better ones to replace them. i installed passenger side and works ok but driver side is memory seat and cant figure out how to connect it or bypass the memory module. i just want power to work, memory function not important.
thanks in advance for anyone willing to help, im strugling all weakend.
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