Quote:
Originally Posted by MystroX5
Yes a huge different in exhaust notes between the 40 and 50. The booming V8TT sound cant be confused with anything else. YouTube has plenty of videos on the difference.
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There is plenty of M50i exhaust video. But can't find 40i, when I search'x5 40i exhaust', most are just cold start without pushing the paddle. Ended up found some 840i exhaust videos , however they are from Korean market, not sure about US market....