Details decide: The M Performance tank cap is made of high-quality carbon. It reinforces the sporty, individual look of the vehicle and also enhances its appearance. The original BMW component is extremely resistant to petrol and diesel fuels, impresses with its perfect fit and is very easy to assemble. With M Performance lettering on brushed aluminum. Made from high quality carbon. For a significant visual upgrade of the vehicle. Very resistant to petrol and diesel fuels. Optimum fit, easy to assemble. With M Performance lettering on brushed aluminum.