The BMW M5 Radiator by CSF is a top-of-the-line, high-performance cooling solution designed specifically for `99-`03 models. Built with CSF's exclusive B-Tube Technology, this all-aluminum radiator is engineered to handle both the demands of the race track and the requirements of daily driving, making it an essential upgrade for your E39 M5 or 540i.

Every detail of this radiator is crafted with precision to enhance your vehicle's cooling performance. The 2-row core utilizes CSF's specialized B-tube design, which features a unique "B" shape that offers superior strength and increased heat dissipation compared to traditional "O" shape tubes. This results in approximately 15% more heat transfer efficiency, allowing for optimal performance even in high horsepower or motorsport conditions. The radiator is equipped with multi-louvered fins, meticulously aligned to maximize airflow, ensuring your engine runs cooler and more efficiently. Designed for a "Drop-In Fit," the CSF radiator attaches seamlessly to your original equipment without modification, boasting CNC machined and welded OE-style brackets for superb durability.

Features

• 2-Row 42mm core with CSF's exclusive B-Tube Technology.
• CNC machined brackets and fittings for exceptional fit and durability.
• "Quick-Connect" inlet/outlet connections for ease of installation.
• Ultra-efficient fin with 6.5mm fin height and multi-louvered design.
• Smooth satin finish with all-aluminum race style drain plug.

Whether you're enhancing your vehicle for improved street performance or preparing for race conditions, trust CSF's expertise to deliver unparalleled reliability and cooling efficiency. For questions or more information, call us directly at 512-982-9393 (Austin, TX) or 562-981-6800 (Los Angeles, CA). We proudly offer installation and customization services at both our Austin and Los Angeles locations. If you're considering multiple items, reach out to us about potential shipping discounts. We also install on premises at both stores, ensuring a seamless upgrade for your vehicle.

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