The lightweight BWM M3 aluminum hood is a great part from the factory that no doubt saves tons of weight compared to its mainstream steel 3 series counterparts. Because aluminum is very soft, it requires a full backbone structure to support it so it doesnt dent or deform easily. When using carbon fiber, Challenge is able to rework the factory underside skeleton as well as use a foam hex cell core in the panels inner construction to produce a lightweight yet rigid structure. This formula yields a strong yet light hood with a 40% weight savings thats as home on the street as it is on the road circuit.
OEM Aluminum hood: 22.8 lbs.
Challenge OEM style Carbon Hood: 13.6 lbs
All painted and ready to ship