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      03-16-2007, 09:45 AM   #243
grand poobah
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Drives: F80 M3, F10 535i
Join Date: Dec 2006
Location: Charlotte, NC

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Originally Posted by DrM View Post
Shiv's car made 355 whp and 405 ft-lbs of torque at the wheels. This is most likely about 400ps. But, it is close to Alpina levels. Alpina is about 20% over stock levels. Shiv's car is about 33% over stock levels. Hopefully the engine has that much margin built in. 30% in a regularly driven car shouldn't be a problem (fingers crossed...)

I would worry about the AA turbo M3 though. They push more than double the power of the factory motor. Things MUST break at that level (600+whp)
OK, so Alpina rates their stuff at crank power like OEM. I'm used to pretty much discussing only WHP. There's were I went wrong.

Do most BMW tuners rate power using crank power? It seems that is mostly a Euro thing. If I recall a lot of the Audi guys do it that way as well.