BMW G-Series Radiator - CSF - All-Aluminum with 2-Row 42mm Core and 5mm Fin Technology - `19-`21
BMW G-Series Radiator - CSF - All-Aluminum with 2-Row 42mm Core and 5mm Fin Technology - `19-`21

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The BMW G-Series Radiator by CSF is a high-performance, all-aluminum radiator that features a 2-row, 42mm core and cutting-edge 5mm fin technology, specifically designed for the 2019-2021 models. This engineered cooling solution is quintessential for drivers looking to enhance engine efficiency, especially under high-demand conditions.
Built from the ground up with insights from development partners and race teams, the CSF radiator offers superior thermal management. Its innovative 5mm fin technology significantly boosts heat exchange surface area, leading to enhanced cooling efficiency and quicker thermal recovery, while also allowing optimal airflow. Unlike the standard factory radiator, the CSF model provides increased fluid capacity and enhanced heat dissipation through its larger core. The exclusive B-Tube technology implemented in the cooling tubes facilitates about a 15% improvement in heat transfer compared to conventional oval welded tubes. The fully TIG-welded, all-aluminum construction reinforces strength and resilience, making it durable for even the most demanding driving environments without the need for any modifications.
Features
- 5mm Tall Ultra-Efficient Fins with Multi-Louvered Design for Maximum Heat Dissipation
- True "Drop-in Fit" Installation with No Required Modifications
- CNC Machined Mounting Brackets and OEM Style Inlet/Outlet
- Exclusive B-Tube Cooling Technology
- Fully TIG-Welded, 100% Aluminum Construction
- Ulterior 2-Row, 42mm Core for Enhanced Performance
- Individually Leak and Pressure Tested
- 1-Hour "Mirror Finish" Hand Polish
- 2-Year Limited Warranty
This premium radiator has been rigorously tested in various motorsport environments, guaranteeing its capacity to keep engine temperatures in check during both road racing and drag racing. If you require further information or assistance, please don't hesitate to contact us directly. Our dedicated team is available across our two locations in Austin, Texas, and Los Angeles, California area, ready to assist with installation and customization services. Reach us at 512-982-9393 (TX) or 562-981-6800 (CA). Additionally, remember that if you're considering purchasing multiple items, you may qualify for shipping discounts. We also provide expert installation services at both of our locations.
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