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The CSF all-aluminum radiator for 1999–2003 BMW M5 (E39) and 1995–2003 540i manual-transmission models is a high-capacity, drop-in solution for street and track applications. It pairs a 2-row 42mm core with CSF's B‑Tube technology and precision multi-louvered fins to improve heat rejection. CNC‑machined brackets and quick‑connect inlet/outlet connections match OEM fittings for easy installation.
CSF 99-03 BMW M5 (E39) / 95-03 BMW 540i M/T Radiator (Fits Auto Trans w/Modified Drain Plug)
