All great points. But, I see several numbers/letters on the unit paper. Is there a particular set of numbers that must correspond? Is one set the part number? Is the part number printed on the black plastic somewhere on the unit? I also heard I may need to program it, but I'll start with the classic BMW fix: disconnect the battery.
X5climatecontrol copy.jpg

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X5 3.0 AUTO -2001 - 238,000 miles