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The Gates bypass molded coolant hose for 1987–1991 BMW 325i with the 2.5L inline-6 is a replacement hose that routes coolant through the bypass circuit to support warm-up and temperature regulation. The molded construction corresponds to the vehicle's bypass path and is intended for scheduled replacement when the factory hose shows age-related issues, helping preserve consistent coolant circulation during engine operation.
Gates 87-91 BMW 325I 6-Cyl. 2.5L By Pass Molded Coolant Hose
