Maxton Design BMW Z4 Pre-LCI Rear Side Splitters In Gloss Black (G29)Maxton Design's gloss black rear side splitters for the pre facelift BMW G29 Z4 M Sport Roadster make the rear of the car look lower, wider, and more muscular. These rear corners were designed using 3D scanning technology to ensure a perfect fit. The premium gloss black finish is very sleek and the lacquer is highly resistant to corrosion for long term style. PRODUCT SPECIFICATION Manufactured from ABS Gloss black finish From Maxton Design's Street