Hi everyone, I have a 1991 850i that has the “check backrest lock” message on the display. I took it to my mechanic who informed me the left micro switch is the problem. Can anyone please help me identify it with a part number or direct me where to buy one? This is from the left (driver’s) seat. If I can successfully learn how to post photos I will right away!
Thanks, Colin
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I anticipate the dealer would be the place to get the switch.
No. Description Supp. Qty From Up To Part Number Price Notes
01 Microswitch backrest locking "L" 1 09/1992 61311383206 $28.18 ENDED
01 Microswitch backrest locking "L" 1 61318354129 $32.70 +core
02 Microswitch backrest locking "R" 1 09/1992 61311383235 $30.44 ENDED
02 Microswitch backrest locking "R" 1 61318354130 $32.70 +core
Last edited by m6bigdog; 09-15-2020 at 05:20 PM.
Thanks Dawg !! I searched the seat frame assy. I had no idea there was a comprehensive grouping.
When that warning chimed on my car, it was due to the broken seat lever in the back of the driver side seat. The Lever can break and cause this issue, you will notice that the updated part has been reinforced for durability as well.
Part numbers:
Driver side 52108152827
Passenger side 52108152828
Regards,
Brian
Cave Creek, AZ
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