Thanks for the informative response. I was not aware of the change(s). Since my 08 is a February build I should be safe with this item. What was/is the claimed horsepower increase/benefit of this kit and how long or involved is installation?
2008 AW E90 M3 - current
2002 TIAG E46 M3 - gone
1991 DiamondSchwartz E30 M3 - gone but not forgotten