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      09-23-2013, 03:18 PM   #382
mike-y
just another bmw douche bag
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Quote:
Originally Posted by Delta0311 View Post
No you need the software you won't see any gains without it.
Not correct, you'll see gains, but not nearly as much as with the software. on a 325i, the biggest gains are down low below 2800rpm (+15 to +20 ft/lbs), and more moderate (~10whp) gains up top.

But there will be a hole in the powerband around 4000-4500, until you get the tune.

Last edited by mike-y; 09-23-2013 at 09:10 PM..
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