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      03-26-2020, 02:05 PM   #150
Terraphantm
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Drives: E46 M3 Coupe
Join Date: Apr 2009
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Quote:
Originally Posted by KevinC View Post
I think these guys are talking about putting it on the non-M car, and on that car it behaves differently than it does on the M (affecting the electric power steering, for instance).

My experience (and of several reviewers back in the day) mirrors yours exactly. Try it once, leave it off forever on the M cars.
The throttle changes are the same in principal, but since the S54 already has such sharp throttle response, the sport button can make it harder to control. On the M54, I found the sport button throttle map to feel much better than the stock map. Haven't tried an N52 car with the sport button.
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