BMW Z4 E89 GT3-style racing kit for street cars is available in carbon fiber (to be painted or wrapped) or fibreglass composite.
Carbon fiber is approx 20% lighter than fiberglass.
You can also opt for the version with racing hood, or without.
BMW Z4 E89 GT3 Front bumper with Splitter
BMW Z4 E89 GT3 Front Fenders
BMW Z4 E89 GT3 Side skirts
BMW Z4 E89 GT3 Rear Fenders
BMW Z4 E89 GT3 Rear bumper
BMW Z4 E89 GT3 Diffuser
BMW Z4 E89 GT3 engine hood