CSF 87-91 BMW M3 (E30) 2.7L Radiator

The CSF High-Performance All-Aluminum Radiator for the 1987-1991 BMW M3 (E30) 2.7L offers the cooling reliability and efficiency required for both street and track performance. Engineered to handle the demands of high-horsepower builds and motorsport environments, this radiator is a direct-fit upgrade that significantly improves cooling efficiency while maintaining durability.

Built with CSF’s exclusive B-Tube Technology, the 2-row aluminum core provides up to 15% more heat transfer surface area than conventional designs. The precisely engineered B-tubes and ultra-efficient, multi-louvered fins maximize airflow and cooling capacity, keeping temperatures stable under extreme conditions. Wind-tunnel tested for performance, this radiator is the trusted choice for E30 M3 enthusiasts looking to upgrade cooling and reliability.