NEW GLOSS BLACK PERFORMANCE LOOK SIDE EXTENSION BLADES FOR BMW 3 SERIES F30 F31 2012 2017 Constructed from high quality PP plastic material which is flexible Aftermarket side skirts, not original BMW part. These fit below the original M Sport Side Skirts , will not fit NON M Sport Models. Comes in gloss black finish with pre drilled holes and complete with fixtures. (instructions not provided) Installation from experienced bodykit installers and not normal DIY or mechanic installation.