From weighted shift knobs to polyurethane motor and transmission mounts, Black Forest Industries continues to raise the bar on their in-house designed products for Volkswagen, Audi, BMW and Porsche models. The BFI heavy weight shift knobs feature ergonomic designs that are available in perforated air leather or alcantara for a butter in the palm of your hand feel. Pair a Black Forest weighted shift knob with their poly mounts for a truly engaging driving experience.