CSF BMW 2 Seires (F22/F23) / BMW 3 Series (F30/F31/F34) / BMW 4 Series (F32/F33/F36) A/T Radiator

Enhance your BMW's cooling system with this versatile all-aluminum high-performance radiator engineered for automatic transmission F-chassis models including 2 Series (F22/F23), 3 Series (F30/F31/F34), and 4 Series (F32/F33/F36). Designed for both four-cylinder and six-cylinder turbocharged and naturally aspirated engines with automatic transmissions, this radiator features CSF's advanced B-Tube technology delivering 15% increased heat transfer efficiency. The 2-row 42mm aluminum core significantly increases cooling capacity over factory plastic-tank radiators, essential for modified engines, spirited driving, and preventing the common plastic tank failures on aging BMWs. Military-grade aluminum construction with precision TIG-welded end tanks provides exceptional durability and leak-free performance. Multi-louvered fins are wind-tunnel optimized to maximize airflow and heat dissipation during aggressive acceleration, track use, and daily commuting. Drop-in fitment accepts all OEM quick-connect hoses, fans, and mounting components without modifications.

Prevent roadside breakdowns from radiator failure common in high-mileage F-chassis BMWs over 80k miles. Perfect upgrade for tuned 328i, 428i, 228i, and six-cylinder models with performance software and bolt-ons. Essential maintenance for daily drivers, weekend track cars, and enthusiast vehicles demanding reliability. Eliminates overheating issues during spirited driving that damage head gaskets and warp components. Maintains optimal engine temperatures for improved performance and fuel efficiency in all conditions. Replace aging factory radiators proactively before catastrophic failure causes expensive repairs. Professional-grade cooling solution trusted by BMW specialists and F-chassis owners. Bolt-on installation uses factory mounting points and hardware for hassle-free upgrade that protects your investment and ensures long-term reliability.