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      04-01-2019, 11:13 PM   #1
boglehead
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Stock engine output of base model M3/M4?

Based on dyno data this forum has seen over the years, what’s the peek crank power/torque of a stock, non-ZCP F8x M3/M4?
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      04-01-2019, 11:23 PM   #2
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just did a my16 non-zcp f82 m4 dynorun on dynapack 2 weeks ago. here is the graph of crank horsepower.

outside temp: 20 degree

finally it ended up as: 414bhp 587nm(433lb-ft) tq

hp is a bit shy of 450 but tq is more than stock
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      04-01-2019, 11:31 PM   #3
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Quote:
Originally Posted by scoobyhummel3 View Post
just did a my16 non-zcp f82 m4 dynorun on dynapack 2 weeks ago. here is the graph of crank horsepower.

outside temp: 20 degree

finally it ended up as: 414bhp 587nm(433lb-ft) tq

hp is a bit shy of 450 but tq is more than stock
Is the chp low? Dyna pack read low?
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      04-02-2019, 12:03 AM   #4
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No I would say 460
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      04-02-2019, 12:13 AM   #5
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I would say 425hp SAE or 431hp DIN.
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      04-02-2019, 12:14 AM   #6
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Quote:
Originally Posted by parabmw View Post
Is the chp low? Dyna pack read low?
i have no idea why it reads a bit low. we put the dyno in tcf=1 mode. but one thing seems weired. torque is over stock for some reasons.
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