Rear lip carbon fiber performance spoiler BMW 5 series 2011-2016 chassis f10. Manufactured out real carbon fiber with complete bottom portion for more sturdy mounting. The difference between this performance version of the M5 read trunk spoiler is this model is 1" taller and 1" wider than the standard model. Normal mounting includes 3M professional double sided tape. Can be screwed down for additional strength. Adds that high tech finish to your BMW 5 series super sedan.