Rein CHU0484 Engine Coolant Hose - Thermostat To Cylinder Head

OE-Style Coolant Hose for BMW Cooling Repair

Rein CHU0484 is an application-specific engine coolant hose built for European vehicle cooling systems. It is a direct replacement for the original hose assembly and uses a metal connector upgrade at a common failure point for BMW cooling repairs.

Compatible With 2007-2016 BMW 335i, 335xi, 335i xDrive, 335is, 135i, 1 Series M, and Z4 applications at the thermostat to cylinder head position, this hose is shaped for the OE routing and connection points. The Rein CHU0484 helps restore proper coolant flow without hose cutting or connector reuse.

Key Features

• Metal connector replaces the common failure point found in the coolant hose connector.
• Direct OE-style replacement for the original hose and hose assembly.
• Reduces installation time by matching the factory configuration.
• No cutting, refitting, or adjusting the hose during installation.
• Helps prevent leaks and repeat repairs caused by reused quick connectors and O-rings.
• EPDM hose construction resists heat, salt, road debris, oil, and other contaminants.

Product Details

Rein CHU0484 is a black single coolant hose with application-specific fitment and OE-quality construction. It measures 28 inches centerline length and uses factory-style end dimensions for a precise connection at the thermostat to cylinder head location. This part cross-references Genuine 11537541992 for the same application. For BMW 335i coolant hose replacement, BMW Z4 thermostat to cylinder head hose service, or BMW 135i cooling system repair, this hose is built to match the original layout and connection style.

Common Repair Uses

• Coolant leaks at the hose connector or quick-connect interface
• Cracked or aged EPDM hose material
• Cooling system service on BMW turbocharged six-cylinder applications
• Repeat repairs caused by reusing worn connectors or O-rings
• Improper hose fit from non-OE replacement parts

Installation Notes

Verify the thermostat to cylinder head routing before installation and confirm the connector style matches the vehicle. The metal connector design is intended to simplify replacement and reduce installation time. Inspect adjacent cooling system components, including seals and mating surfaces, before filling and bleeding the system.

Quality Assurance

Rein Automotive OE quality hoses are built as direct replacements for factory hoses and assemblies, with OE-style dimensions and connection details. CHU0484 is backed by a 24-month or 24,000-mile warranty.