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      04-20-2018, 08:39 AM   #101
nizzo
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Drives: 435i xDrive Gran Coupe
Join Date: Mar 2007
Location: MA

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Quote:
Originally Posted by jpc647 View Post
That's strange. My experience with the stage 1 was, meh. Sure it seemed to pull a little harder in the midrange, but it tapered off and broke up close to redline. Not substantially faster than stock. Certainly no where near the 40/50hp claims.

I only did about 150 miles with the stage 1 in the car, but didn't notice weird shifting or drivability problems.
Are you on 93 Octane?
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