Seat Wiring Diagram / Connector pin-out

Z-4-FUN

Member
 London
I’m looking for a wiring diagram for the electric seats in an E85/86 and E89.

I’m interested in trying to transplant a set of E89 seats into my 3.0si.



I know Yorkie Z managed to do this several years ago. And it seems there’s been a spattering of other people interested in doing the same.

I know the frames will need to be modified to fit. I’m less worried about this bit initially, but want to understand how much wiring there is to do. I want to work out if it’s just a matter of chopping off the plugs from the wiring harnesses and matching up the right wires to one another, or if it would require something more.


If anyone has a diagram that shows the yellow connector blocks labelled up with the: pin numbers/positions; the wire colours; and function, that would be ace!
 
Note the wiring changes from pre to post facelift e85

Not radically but different

I’ll have a look I’m sure I’ve got a diagram from when I retrofitted heated seats to a 2005 car
 
https://www.keepandshare.com/doc2/119303/z4-retrofit-heated-seats-pdf-339k?dn=y&dnad=y
 
e89
https://www.newtis.info/tisv2/a/en/e89-z4-sdrive30i-roa/components-connectors/components/a-control-units-modules/a187-seat-module-driver/H1THLnL7
 
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