Originally Posted by Mike Benvo
Not sure on your question but I know that my stock 08 TPMS sensors worked perfectly with my 2012 iDrive setup.
I remember hearing that the comp pack TPMS is different but could be wrong. I'm sure someone on here will have a much better answer.
Yes while the 2012 idrive is compatible with the '08 TPMS, '12 TPMS is not backward compatible with '08 idrive. I recently bought a set of used ZCP wheels and had the same query, and found out for my relief, in European cars the TPMS is in the ABS and nothing on the wheels.