I had a clear bra on my '09 328i. Good for protecting from rock chips. The only problem is that it turns yellowish after a few months. Unless you keep your car in the garage all the time..
I am not getting it on my F30. Just avoid following any big trucks/dump trucks on the freeway
DELIVERED 2012 F30 328i Mineral White Sport Line / Coral Red / ZPP / Xenons / Sports Trans / M Performance Black Kidney Grilles
Arriving California April 11th ----- Expected Delivery May 4th