Here's all the WDS diagrams for the E70 heated Seats:

https://www.dropbox.com/s/7hwobc1sj1srbj3/Seat%20Heating.pdf

https://www.dropbox.com/s/xbv5x84eiqernl1/Drivers%20Seat%20Heating%20with%20SMFA.pdf

https://www.dropbox.com/s/hfa0mynty13c0b8/Driver%20Seat%20without%20SMFA.pdf

https://www.dropbox.com/s/hga9kobyz58oh02/Drivers%20Seat%20Heating%20with%20SMFA.pdf%20multi-function.pdf

https://www.dropbox.com/s/nqdwbj801z41fb6/Passenger%20Seat%20Heating%20%20without%20SMBF.pdf

https://www.dropbox.com/s/b0o3g3j95up386e/Passenger%20Seat%20Heating%20with%20passenger%20mu lti%20fctn%20seatSMBF.pdf

https://www.dropbox.com/s/cwvbj0ond26m3p4/Passenger%20Seat%20Heating%20with%20SMBF.pdf

https://www.dropbox.com/s/6l39tl9nb4kmu8x/Power%20Supply%20-%20drivers%20seat%20module%20SMFA.pdf