Just getting back to this...yeah, it looks like the problem is the sensors are incompatible.
The only thing you need to do to fix the issue is have the correct TPM sensors installed. You'll be able to save some money if you go to one of the major tire chains or use the correct 11 digit BMW part number you need for the build date of the car that the wheels are being installed on...and shop online using the correct 11 digit BMW part number. Once you receive them, then you'll have to have them tires dismounted from the wheels to install the correct TPM sensors...and you'll be good to go.
Again, you only need to have the correct sensors inside the wheels that have the same protocol as the car's system. Don't get confused with the frequency...I believe both are 433 MHz (in the USA)...but the protocol before/after the 3/2014 build date is what's different.
Good luck.
