Fitment:This Rear Diffuser is well for BMW 5 Series 550i 530i F10 M -sport sedan 4-door 2012 2013 2014 2015 2016,Not for F10 M5 Base model. Material: FRP, made by approved & certified manufacturers with materials that meet market requirements and road use regulations. Installation:Replacement Style-Need to move off the original bumper diffuser(Professional installation is recommended). Package including: 1 pc rear bumper diffuser and self tapping screws. The Rear Lip Diffuser can enhance the car's sporty performance ,makes the car more dynamic. Fitment:

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