Originally Posted by kitw
I think the Sport was perfect for my E93. With the top down, it was just enough additional sound to be fun, but not enough to be overwhelming. With the Race, I'm sure it would be. That said, for an E90 or E92, I think the Sport might not be enough volume change, especially when you are hammering it, because the induction noise drowns out the exhaust over 4500 rpm or so. (from inside the car)
+1. I have an E93, always drive with the top down, and love the Sport. It's just perfect, and to me, it's a good bit louder than stock. With that being said, I agree it would probably be too quiet for an E90 or E92.