61 35 091 Removing And Installing Control Unit For Seat Heating (Normal Rear Seat)
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Remove backrest for left or right rear seat. See 52 24 015 REMOVING AND INSTALLING/REPLACING BACKREST FOR LEFT OR RIGHT REAR SEAT (NORMAL) .
Disconnect plug connections (1).
Unclip clip (2) and remove control unit for seat heating (3).