12 Gauge Rear Reinforcement Repair Kit for E46 3 Series 320i 323i 325i 328i This repair kit is designed to reinforce the rear structure of the E46 3 Series vehicles.It includes steel components that match the specifications for fitment and durability.The kit aids in restoring structural integrity to the rear frame area, commonly used during body repairs or rust restoration.Installation requires welding and should be performed by a qualified technician.The parts are constructed to withstand typical stress loads associated with vehicle. This is a replacement item from an aftermarket supplier.Brand names are cited solely to demonstrate device compatibility.