We've had our for some time now. Pretty decent gains. The dyno can be seen here.
http://www.e90post.com/forums/showpo...0&postcount=27
Not had the opportunity to tune this car with anything else. It's gone 12.7 @ 113 in the 1/4 mile with just this tune, drag radials, and nice cool 40 degree temps. E90 car full weight and 198lb driver.