i test drove a E90 with both sprt and regular suspension. Assuming sport is the M suspension you will feel a difference. Well worth the extra money as long as you dont live in an area where the roads are in bad condition.
We all get the urge...Saturday early morning...nothing to do till noon... BMW FTW
The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)