The BMW M3 Auxiliary Radiator - Left or Right - CSF - All-Aluminum, 2-Row 42mm B-Tube Core with Rock Guards in Satin Black for models `15-`18 is a top-tier cooling solution for your BMW F8X M3/M4/M2 Comp. Featuring a robust all-aluminum design, this auxiliary radiator is engineered to enhance your vehicle’s cooling performance and reliability.

Compared to standard OEM F8X coolers, the CSF Auxiliary Radiator represents a significant advancement, both in terms of design and efficiency. By eliminating the OE plastic mounting pod, CSF has optimized the radiator’s design to fit both sides of your vehicle, resulting in a 7% increase in Core Size and a 10% increase in Tank Volume. This new design allows for superior airflow and heat dissipation, thanks to the 2-row 42mm high-performance core utilizing CSF's exclusive B-Tube technology. Beyond just enhancing cooling efficiency, its 100% all-aluminum construction guarantees superior durability and longevity. Additionally, with integrated bolt-on rock guards, these radiators provide added protection against potential punctures from road debris.

Features

• 2-Row 42mm High-Performance Core with CSF's B-Tube Technology
• Core Size increased by 7%, Tank Volume increased by 10%
• All-Aluminum Construction for Superior Durability
• Satin Black Finish with Integrated Rock Guards
• True "Drop-In Fit" Design, OEM Style "Quick Connect" Inlet/Outlet
• Leak and Pressure Tested
• Suitable for Professional Racing, Street Performance, or OEM Replacement

This premium auxiliary radiator not only maintains optimal temperature ranges but also extends the heat soak threshold, ensuring your BMW is track-ready at all times. Have questions or need more information? Feel free to call us directly at 512-982-9393 (Austin, TX) or 562-981-6800 (Los Angeles, CA). We offer installation and customization services at both locations. If you're planning on purchasing multiple items, please contact us for potential shipping discounts. Remember, professional installation is available on-premises at both of our locations.

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