CSF Aluminum Radiator for BMW E30 M3 2-Row Core with B-Tube Technology

CSF Aluminum Radiator for BMW E30 M3 — 2-Row Core with B-Tube Technology Upgrade cooling performance for your BMW E30 M3 with this CSF all-aluminum radiator. Engineered from over five decades of radiator expertise, this 2-row high-performance unit is built for street driving, high-horsepower builds, and motorsports environments where reliable heat rejection is essential. Key Features B-Tube Technology: Unique "B"-shaped tubes are seam-brazed to increase strength and heat-transfer surface area by ~15% versus conventional "O" tubes. Dual liquid laminar flow: B-tubes create dual flow paths for improved coolant distribution and quicker temperature stabilization. Multi-louvered fins: Precisely aligned, application-specific fins maximize airflow and thermal efficiency validated in CSF wind-tunnel testing. Lightweight all-aluminum construction: Thinner, stronger tubes allow for reduced weight without sacrificing durability or performance. Track-ready reliability: Designed to handle higher heat loads from modified engines and sustained track use. Why Choose CSF CSF radiators combine proven materials, precision manufacturing, and validated aerothermal design to deliver consistent cooling under demanding conditions. Install this radiator to reduce operating temperatures, protect engine components, and maintain peak performance in your E30 M3.