Further Information
CSF delivers proven high-performance cooling for BMW F2X 1/2-Series and F3X 3/4-Series automatic models. Engineered for both street and track duty, this all-aluminum radiator combines advanced technology with OEM-quality construction to keep your engine running at peak efficiency.
Built on CSF's proprietary B-Tube design, this radiator achieves superior heat rejection through seam-brazed construction that's stronger and more efficient than conventional welded tubes. The result is approximately 15% more heat transfer surface area within the same footprint, delivering dual liquid laminar flow performance.
Key Features:
- 2-Row 42mm dual core with CSF's exclusive B-Tube Technology
- Ultra-efficient multi-louvered fins with 6.5mm fin height for maximum airflow
- CNC machined quick-connect inlet/outlet connections accept OEM hoses
- All-aluminum race-style drain plug with smooth satin finish
- Drop-in fit design with no modifications required—accepts all OEM components
- CNC machined brackets and fittings engineered for durability and precise fitment
Includes:
- Complete high-performance radiator assembly
- OEM-style CNC machined mounting brackets
- Race-style aluminum drain plug
- Replacement for OEM part number 17117618807
Keep your F2X/F3X running cool under pressure, on the street or at the track.