Quote:
Originally Posted by quickbmw
Theres some rumor that BMW "de-tunes" the U.S spec BMWs, can anybody confirm if the U.S versions are watered down versions of the original high performance european spec models. I know that the emissions have to be modified to meet u.s standards, could this be the reason for the significant difference in throttle response and overall power/feel of the car?
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Nope. I believe the older models used to have less bhp but the E9x is the same. We measure differently (DIN) so it equates to 420bhp (DIN) to your 414bhp. Same thing.