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The Gates bypass/return molded coolant hose for 2004–2005 BMW 645Ci (4.4L V‑8) serves as the bypass return connection and is shaped to the vehicle's cooling plumbing. This molded hose restores the return path critical to circulation. Replace a failed bypass hose to maintain appropriate coolant flow and temperature regulation for the 645Ci's V8 engine.
Gates 04-05 BMW 645CI V-8 4.4L By Pass - Return Molded Coolant Hose
