Although mine is an E91, its still an Msport with Eibach pro springs, and sits perfectly.
I wouldn't want it any lower.
I'm yet to scrape on anything so far, yet when I had H&R springs on my RS4 it scraped on pretty much everything!
Its on 19's with RFT's and the ride is very nice. Its firm but doesn't rattle your teeth and isn't crashy on bumpy B roads.
I'd go for H&R if you want it a bit lower, I find my setup is a decent compromise over lowering/looks and handling.
The springs have only been fitted around 4 months