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RB25 is 81mm
- CNC Machined "Quick-Connect" Inlet/Outlet and All Aux
torque and improved throttle response
The one-piece sealed housing
CSF High-Performance All-Aluminum Radiator BMW E39 M5 / 540i (MT) beru RB25 is 81mmCSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps. Core Features an Ultra Efficient Fin with 6. 5mm Fin Height and Multi Louvered Design for Maximum Surface Area Contact CNC Machined "Quick Connect" Inlet Outlet Connections CNC Machined Brackets and Fittings for
