I hope we find out what the actual cause was for this. Granted it was put through some pretty hard paces, but it's billed as the ultimate driving machine. Mine does just fine as a DD, but it limps at the track, so it's a FAIL. Before going this route again (and I'm ready any time I choose), I want to know that I won't be disappointed again.
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'16 235i
'15 3500 HD Dually
'13 C4S
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