Now that's not saying it wont work with yours but it worked with mine. I know there was an issue with some Bluetooth adapters and torque. My stepdad ran into that when he bought a Bluetooth to try with his and it wouldn't connect with the ecm. Mine works on his car but the one he bought wouldn't. I also seem to remember that being an issue on bimmerfest when people were buying them.

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Just BMW's - All cars and trucks was two pages long
1994 318is
1997 528i
2000 323i
2001 X5 3.0 auto
2005 X5 3.0 auto
2011 535xi auto
2013 X5 xdrive35 Turbo
More are at my website

Aftermarket E53 Radio Install