GENUINE BMW G26 GRAN COUPE INCL. I4 4 series M PERFORMANCE REAR SPOILER. Installation by means of PUR glue – 50ml tube included! The BMW Genuine Rear Lip Spoiler Carbon M Performance is a high-quality accessory designed specifically for the BMW G26 Gran Coupe. Made from carbon fibre with a glossy finish. A genuine BMW product. The spoiler is a performance part, providing a sleek and sporty look to the rear of the car, making it a popular choice for car tuning and styling enthusiasts.