Original BMW 1/3 Series & Z4 Upper Radiator Hose (2006–2013)

When servicing the engine cooling system on BMW 1/3 Series & Z4 from 2006–2013, use this Original BMW Upper Radiator Hose. It carries coolant through the upper connection between the engine and radiator. The supported range includes 128i, 325i, 325xi, 328i, 328xi, and 330i, plus additional listed variants. BMW’s U.S. warranty coverage for Original BMW Parts is two years with unlimited mileage.

Technical Details

• Component: Upper Radiator Hose
• Manufacturer: BMW
• Manufacturer part number: 17-12-7-531-579
• Primary function: carries coolant through the upper connection between the engine and radiator
• Production range: 2006–2013
• Vehicle applications: BMW 1/3 Series & Z4
• Listed models: 128i, 325i, 325xi, 328i, 328xi, and 330i, plus additional listed variants
• Position: Upper
• Listed submodels: sDrive30i

Fitment & Compatibility

Review the table below for year-by-year model coverage, submodels, and any listed equipment notes. Match the engine, hose or connection layout, cooling-system equipment, and production date. PMB Performance has worked with European vehicle parts and fitment for more than 20 years; contact us with the VIN when the application is uncertain.