HGK Racing - E90 Doors - Rear Set / Fiberglass Only [Wet Lay-Up Technology]E90 front fiberglass doors are made in wet lay up method (the fiber is cut and laid into the mold then resin is applied via a brush, roller, or spray gun) Composite material made doors will save you a lot of weight and costs in case of potential damage during competition weekend. Estimate weight Fiberglass 4,50 kg each All parts are for TRACK AND RACE CARS only (not exhibition), adjustments will be required at fitting. Please note that there may be