
Key Features & Specs:
Fitment:
Restore dependable OE-style cooling with the CSF 3718 replacement radiator for select BMW 1 Series, 3 Series, and Z4 applications. This crossflow radiator combines an aluminum core with durable plastic tanks, factory-style quick-connect inlet and outlet connections, and an included cooling-system control sleeve. Designed for compatible naturally aspirated and turbocharged BMW models, it offers a reliable replacement for a leaking, damaged, or aging original radiator.