DeutschTuning proudly offers CSF Radiator BMW M3 E90/E92 2008-2013. CSF aims to lead the cooling systems industry by introducing new technologies and manufacturing processes that allows us to be on the cutting edge of heat transfer innovation. CAD/CAM designed using Unigraphics Software. OE radial and deep drawn aluminum endtanks"B-Tube" Technology - Stronger, most efficient tube in the world. Wind tunnel tested for optimal radiator core cooling efficiency"Racing Style" Aluminum Drain Plug. Brazed in CAB Furnace. ISO 9001/9002 certification. Military Grade (special clad) aluminum used for tubes, fins, headerplates, and side brackets (JIS 3003 spec minimum). Privately owned factories with full "In house" tool rooms. CNC machined fittings"Master Class" TIG welding