Thread: Do European Spec BMW's have more power than the U.S versions?
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      07-25-2009, 02:44 PM   #18
SenorFunkyPants
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Quote:
Originally Posted by Lemans_Blue_M View Post
Our U.S-spec cars don't have the Brake energy recovery system that you have in Europe, but our alternator does disconnect at WOT as well. (freeing up top end power)

So our U.S.-spec alternator is CHARGING the battery for less time...and it has to work harder to keep the stock 90Ah battery fully charged.
That is essentially the Brake energy recovery system.
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