Quote:
Originally Posted by xDrive50i
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Based on all of this, I would assume that the M division put quite a few modifications under the hood of the X6M. It's definitely not just a 'simple' tune or reprogramming of the engine electronics.
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I would think so but so far the videos I've seen and things I've read they don't mention much more than increased HP , rear centric power train and pics show a god awful quad exhaust (may work on M3/5 but IMHO sucks on X6).