CoolXpert 17-12-7-648-644 Lower Coolant Hose for BMW

The CoolXpert 17-12-7-648-644 is an aftermarket lower coolant hose designed as a direct replacement for BMW OEM part number 17127648644. This essential cooling system component serves as the lower radiator hose, connecting the transmission fluid cooler to the primary radiator in various BMW models equipped with turbocharged engines.

Key Features:

• Precision-engineered for BMW F-series vehicles including 335i, 435i, and M235i models
• Handles both engine cooling and ATF (automatic transmission fluid) cooling duties
• Manufactured by CoolXpert Germany, a trusted aftermarket cooling specialist
• Direct OEM fitment with no modifications required
• Heat-resistant construction designed to withstand high coolant temperatures
• Compatible with both hybrid and non-hybrid powertrain configurations

This lower coolant hose is an essential component of the engine cooling system, ensuring proper coolant circulation between the radiator and engine. CoolXpert specializes in premium cooling solutions for German and European vehicles, offering quality aftermarket alternatives to OEM parts. Also known as engine coolant hose or radiator hose part number 171040.