The CSF all-aluminum radiator for BMW 2 Series (F22/F23), 3 Series (F30/F31/F34) and 4 Series (F32/F33/F36) automatic-transmission models is a plug-and-play cooling upgrade. It combines a 2-row 42mm core with CSF's B‑Tube technology and multi-louvered fins to improve heat rejection. CNC‑machined brackets and quick‑connect inlet/outlet connections match OEM components for an easy, no-modification installation.
CSF BMW 2 Series (F22/F23) / BMW 3 Series (F30/F31/F34) / BMW 4 Series (F32/F33/F36) A/T Radiator