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Old 06-21-2017, 04:18 PM
yurikus's Avatar
Join Date: Mar 2015
Location: Olathe, KS
Posts: 26
yurikus is on a distinguished road
Question Active comfort seat repurpose


I am in possession of an F10 M5 passenger seat, circa 2014-2016, which I'd like to use as my office chair. I'm a software engineer, who makes a living with his butt. Why not treat my butt with something nice.

Looking at the A26 seat module pin-out diagrams on newtis.info, I see that A26*3B receives power and ground in pins 7 and 8 respectively. This comes from connector X12B pins 15 and 16. Seat module then takes care of taking with seat switch over LIN and is wired as linked.

Documentation says that seat module is autonomous, even though it talks over LIN bus to other car electronics. I tried applying power to pins of connector X12 and nothing happened. TIS speaks of a special adapter cable that is needed to test functionality of a removed seat. I wonder what does the cable do?

Main Question: Short of rewiring the whole seat with relays, how do I fool the seat module into thinking everything is OK?

(I realized I accidentally posted in e53 forum by habit .. sorry)

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