DeutschTuning proudly offers CSF Radiator For BMW E39 M5/540i (MANUAL). CSF has developed the ultimate performance cooling radiator for the BMW E39 with trusted R&D partners and BMW specialists. The CSF Dual-Pass Race-Spec Oil Cooler can be paired with this radiator but requires custom work to connect to the E39 M5’s oil lines.  2-Row 42mm Core (Dual Core) Featuring CSF’s Exclusive B-Tube TechnologyCore Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact. CNC Machined “Quick-Connect” Inlet/Outlet Connections. CNC Machined Brackets and Fittings for Superb Fit and DurabilityAll-Aluminum Race Style Drain Plug1-Hour “Mirror Finish” Hand Polish“Drop-in Fit” Requiring No Modifications to Install – Accepts All Attaching OEM Components Including “Quick Connect” Hoses, AC Condenser, Mounting Brackets and Fan ShroudFits: 95-03 BMW 540i (E39) & 98-03 BMW M5 (E39)