CSF 3646 OE Replacement Radiator BMW - X3 X4

The CSF 3646 is an OE-style replacement radiator designed for BMW X3 and X4 models with 2.0L and 3.0L engines, providing fully restored and efficient cooling system operation. CSF is a leading aftermarket manufacturer specializing in radiators, oil coolers, and condensers for import cars.

Key Features:

• Engineered to exact OE requirements for ultimate efficiency and durability
• Plastic tank and aluminum core construction matching original equipment design
• OEM-specified plastic tank-aluminum core with virgin grade engineered plastic resin tanks
• Individually leak tested and undergoes rigorous quality control procedures
• Vibration-cycle tested, thermal-cycle tested, and wind tunnel tested for optimal cooling efficiency
• Drop-in fit requiring no modifications for installation

CSF radiators are designed and built to high performance standards and have been sold worldwide for over 50 years with more than 30 million units sold. This radiator is backed by CSF's 2-year warranty under normal use and service.