The all-new AutoTecknic Carbon Competition Front Aero Lip for the BMW F80 M3 and F82/F83 M4 is manufactured using 100 percent genuine 3K Twill-Weave 2×2 Carbon Fiber. The lip is finished with multiple coats of high-gloss, UV-resistant clear coat. Following the weight-saving principles of motorsports, Autotecknic uses a vacuum-forming process to produce this lip with superior strength and precise fitment. This lip only weighs 36 ounces! With the AutoTecknic Carbon Competition Front Aero Lip, not only will the aerodynamic functionality of your BMW be improved, but it will also increase the aesthetic appeal of the front end of your vehicle. $800.