As more enthusiasts push the performance limits of F-Chassis BMWs, the factory radiator has started to show its age. Increased boost and upgraded turbos generate significantly more heat, and the stock system can struggle to keep up. Combined with the heat exchanger mounted in front of the radiator, engine coolant temps can get too hot, especially during track use which can trigger limp mode.

The Focus RS was very well engineered and performed admirably out of the box. However, a few upgrades can quickly lead to heat issues, especially on the track or in hot climates. An upgraded radiator from CSF is the perfect solution.

• New 5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact
• True Plug-and-Play "Drop-in Fit" Installation Requires Absolutely No Modifications
• CNC Machined Mounting Brackets and OEM Style Inlet/Outlet
• Cooling Tubes with CSF's Exclusive B-Tube Technology
• 100% All Aluminum TIG-Welded Construction
• 2-Row - 42mm Ultra-High-Performance Core
• Individually Leak and Pressure Tested
• Hand Brushed Satin Finish
• 2-Year Limited Warranty

Vehicle Fitment