I not sure what they used for diagnostics, but I thought it would be more sophisticated than my $50 scanner. I was disappointed that the mechanic had no more idea what was going on than I did.

He then told me that his scanner said that I needed a transfer case oil change. His face reddened when I told him his shop had done one 2000 miles ago.

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08 X3
05 X3
96 S600 V12
86 930
05 K1200S -