Thanks for the input guys....

Should I call BMW NA direct and see if I can get some answers?

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2006 BMW X5 4.4i (current)
2003 Chevrolet Corvette Zo6 (sold)
2006 Chevrolet Tahoe Z71 (sold)
2002 Jaguar S-Type 4.2 (sold)
2002 Jeep Grand Cherokee (sold)