Genuine 17127564480 Radiator Coolant Hose - Lower - Radiator To Thermostat

BMW Lower Radiator Coolant Hose

This Genuine radiator coolant hose is a direct-fit lower hose that routes coolant from the radiator to the thermostat housing. It is built for BMW cooling system service on select 2007-2016 models, including BMW 335i, BMW 135i, BMW 335i xDrive, BMW 335xi, and Z4 applications.

• Genuine OE replacement radiator coolant hose
• Lower hose location: radiator to thermostat
• Direct-fit service part for BMW cooling system repair
• Part number 17127564480 for ordering and verification
• Compatible with select BMW 335i and Z4 cooling system layouts

Detailed Fitment and Use

Use this Genuine 17127564480 hose when replacing a worn or leaking lower radiator hose in BMW cooling systems. It is listed for 2009-2016 BMW Z4, lower - radiator to thermostat; 2008-2010 BMW 135i, lower - radiator to thermostat; 2007-2010 BMW 335i, lower - radiator to thermostat; 2009-2010 BMW 335i xDrive, lower - radiator to thermostat; and 2007-2008 BMW 335xi, lower - radiator to thermostat. For buyers searching BMW lower radiator hose 17127564480 or BMW coolant hose radiator to thermostat, this part matches the confirmed applications shown here.

• Fits 2009-2016 BMW Z4, lower - radiator to thermostat
• Fits 2008-2010 BMW 135i, lower - radiator to thermostat
• Fits 2007-2010 BMW 335i, lower - radiator to thermostat
• Fits 2009-2010 BMW 335i xDrive, lower - radiator to thermostat
• Fits 2007-2008 BMW 335xi, lower - radiator to thermostat

What This Hose Helps Address

• Coolant seepage at the lower radiator hose connection
• Cracked or hardened hose material from age and heat cycling
• Loss of coolant flow between the radiator and thermostat housing
• Overheating caused by a damaged lower cooling hose
• Service replacement for BMW cooling system maintenance

Installation Notes

Confirm the vehicle year, model, and lower hose routing before installation. Inspect adjoining clamps, thermostat housing, and radiator necks for wear or damage during service. Proper coolant refill and bleeding procedures are important after replacement to restore normal cooling system operation.

Quality Assurance

Genuine parts are produced to OE specifications for the listed BMW applications. Verify part number 17127564480 against the original hose before ordering to ensure correct fitment for your BMW 335i, 135i, or Z4 cooling system repair.