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      01-24-2013, 04:11 PM   #16
Rob///M5
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Drives: 2013 M5 SSII
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2013 BMW M5  [5.00]
Quote:
Originally Posted by AndreyATC View Post
Are these WHP?
How did they come up with these numbers?

Also, factory numbers are underrated, so is it really 82hp increase?
Totally. I dyno'd stock 641whp. So, who's to say there's any gain at all. Put it side by side in a race.
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