Rein CHR0007 Radiator Coolant Hose - Lower - Radiator To Pipe

OE-Style Lower Radiator Hose for BMW

Rein CHR0007 is an OE quality radiator coolant hose for select BMW applications, including lower radiator-to-pipe positions on 1999-2006 BMW 323i, 328i, 325i, 330i, 325Ci, and related models. It is built as a direct replacement with the correct shape, branch geometry, and thermoplastic quick connect fittings for a factory-style repair.

For BMW 325i radiator hose replacement or a BMW 330i lower radiator hose repair, CHR0007 is designed to reduce installation time while maintaining the original hose routing and connection style.

Key Features

• Direct OE-style replacement for the radiator coolant hose assembly
• Application-specific design for BMW lower radiator-to-pipe fitment
• Thermoplastic quick connect fittings match the original connection style
• EPDM hose construction resists heat, salt, road debris, oil, and other contaminants
• Helps reduce installation time by eliminating hose cutting, refitting, and adjustment
• Designed to prevent leaks caused by reusing old quick connectors and O-rings
• Black finish with a single-hose configuration

Detailed Description

Rein Automotive CHR0007 is engineered for European cooling systems that require an exact-fit radiator coolant hose. The hose measures approximately 20.08 inches centerline length and uses 1.14-inch inside diameter ends with OE-style quick connectors. Its EPDM construction and 50 psi maximum working pressure support dependable coolant transfer in the lower radiator-to-pipe circuit.

This part cross-references BMW OE part number 11531436410 for the same application. It is a practical choice for BMW 323Ci, 323i, 328Ci, 328i, 320i, 325i, 325xi, 330i, 330xi, 325Ci, and 330Ci cooling system service where the original hose shape and connector style matter.

Common Repair Uses

• Cracked or softened lower radiator hose
• Coolant seepage at quick-connect fittings
• Leaks from worn O-rings or reused connectors
• Incorrect hose fit after prior cooling system repair
• Heat-related hose deterioration in the BMW cooling circuit

Installation Notes

Compatible With 1999-2000 BMW 323i, Lower - Radiator To Pipe; 2000 BMW 323Ci, Lower - Radiator To Pipe; 1999-2000 BMW 328i, Lower - Radiator To Pipe; 2000 BMW 328Ci, Lower - Radiator To Pipe; 2001-2005 BMW 320i, Lower - Radiator To Pipe; 2001-2005 BMW 325i, Lower - Radiator To Pipe; 2001-2005 BMW 325xi, Lower - Radiator To Pipe; 2001-2005 BMW 330i, Lower - Radiator To Pipe; 2001-2005 BMW 330xi, Lower - Radiator To Pipe; 2001-2006 BMW 325Ci, Lower - Radiator To Pipe; 2001-2006 BMW 330Ci, Lower - Radiator To Pipe.

Before installation, verify the hose routing and connector style against the removed part. The OE-style quick connect design is intended to simplify replacement and help avoid trimming or reshaping the hose during service.

Quality Assurance

Rein Automotive OE quality hoses are built to match original equipment dimensions and connection details for European vehicles. CHR0007 includes a 24-month or 24,000-mile warranty.