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The Gates lower molded coolant hose for 1999–2003 BMW 540i with the 4.4L V8 serves the lower portion of the 540i’s cooling circuit. Molded to the correct shape for those model years, it handles coolant return and circulation at the system’s lower points to help the engine maintain stable operating temperatures on the stated BMW applications.
Gates 99-03 BMW 540I V-8 4.4L Lower Molded Coolant Hose
