Rein CHE0579 Engine Coolant Hose - Thermostat To Water Pump

OE-Style Coolant Hose for BMW Cooling Systems

The Rein CHE0579 engine coolant hose is a direct-fit replacement for the thermostat-to-water-pump connection on select BMW models. Built to OE dimensions with thermoplastic quick-connect fittings, it supports a clean repair on BMW 535i GT, 535i, ActiveHybrid 5, and related applications.

• Direct replacement for the original coolant hose assembly
• OE-shaped branches and thermoplastic quick-connect fittings
• Reduces installation time with no cutting, refitting, or adjusting
• Helps prevent leaks and repeat repairs from reused connectors and O-rings
• Rubber hose construction with resistance to heat, salt, road debris, oil, and contaminants
• Black finish with application-specific fitment

Detailed Product Overview

Rein CHE0579 is an OE quality engine coolant hose designed for European vehicles that require an exact replacement at the thermostat-to-water-pump location. The hose follows the original size and shape requirements, including the branch geometry and quick-connect interface, which helps maintain proper cooling-system routing on BMW 535i GT, BMW 535i xDrive, and other listed applications. The hose meets SAE J20R4D1 standards and is rated for a maximum working pressure of 87.02 psi.

This part cross-references BMW 11537593513 for the same application. For buyers searching by part number, CHE0579 is the Rein coolant hose to compare against OE-style replacement needs on BMW cooling repairs.

Common Problems This Hose Can Address

• Coolant leaks at the thermostat-to-water-pump hose connection
• Cracked, swollen, or heat-aged original rubber hose sections
• Fitment issues caused by trimming or adapting a universal hose
• Repeat leaks from reused quick connectors or worn O-rings
• Cooling-system service delays caused by mismatched hose geometry

Installation Notes and Tips

Use this hose as a direct replacement for the OE-style routing on the listed BMW applications. Because the hose is application-specific, installation does not require cutting or reshaping the hose. Inspect mating surfaces, quick-connect fittings, and sealing points before assembly, and verify the thermostat-to-water-pump routing matches the original layout before final tightening.

Compatible With 2010-2017 BMW 535i GT, thermostat to water pump; 2011-2017 BMW 535i GT xDrive, thermostat to water pump; 2011-2016 BMW 535i, thermostat to water pump; 2011-2016 BMW 535i xDrive, thermostat to water pump; 2012-2016 BMW ActiveHybrid 5, thermostat to water pump; 2013 BMW ActiveHybrid 7, thermostat to water pump, to 7/13, w/High Speed Synchronization.

Quality Assurance

Rein positions this hose as an OE quality replacement for European vehicles, with construction that mirrors the original hose assembly and connector design. CHE0579 is built for direct-fit service on the specified BMW cooling-system applications.