Original BMW Engine Coolant Hose for 2/3/4/5 Series

Use this BMW-manufactured Engine Coolant Hose for BMW 2/3/4/5 Series from 2017–2021. It routes coolant between the engine, radiator, expansion tank, or heater circuit. Applications include 230i, 330i, 430i, and 530i. This genuine BMW-branded component carries BMW’s U.S. two-year, unlimited-mileage limited parts warranty.

Technical Details

• Component: Engine Coolant Hose
• Manufacturer part number: 17-12-7-640-287
• Primary function: routes coolant between the engine, radiator, expansion tank, or heater circuit
• Vehicle applications: BMW 2/3/4/5 Series
• Production range: 2017–2021
• Manufacturer: BMW
• Listed models: 230i, 330i, 430i, and 530i

Fitment & Compatibility

Confirm the application in the table below, including production year, model designation, and submodel notes. Match the engine, hose or connection layout, cooling-system equipment, and production date. A VIN check can resolve production splits or equipment differences. PMB Performance brings more than 20 years of European-parts experience to that review.