Top of rear window spoiler, BMW 3 series sedan 325i/330i/335i E90 2005-13. This spoiler adds a distinctive style to the rear of your BMW. Easy to install. Directs the air up and over reducing dirt build up on the rear window. It is designed to fit directly in the rubber window seal. Easy to install. Clearance is provided for OE 3 rd brake light so it remains functional.