Febi 45987 Radiator Coolant Hose

Radiator Coolant Hose for BMW Cooling Systems

Febi 45987 is a radiator coolant hose for BMW cooling system service, built from EPDM for use in coolant routing between the expansion bottle and the coolant regulator housing/add pump. With a 480 mm length, this hose supports the factory-style coolant path on select BMW 525i, 530i, and 528i applications.

Key Features

• EPDM construction for coolant-system durability
• 480 mm overall length
• Coolant hose direction: from expansion bottle to coolant reg housing/add pump
• Direct-fit style replacement for select BMW cooling layouts
• Febi part number 45987

Application Details

Use Febi 45987 when replacing a worn or leaking radiator coolant hose on BMW cooling systems that route coolant from the expansion bottle to the coolant regulator housing or auxiliary pump. This hose is listed for 1998 BMW 528i, 1999-2000 BMW 528i, 2001-2003 BMW 525i, and 2001-2003 BMW 530i. This part cross-references BMW OE number 11 53 1 438 633 for the same application.

Common Issues This Hose Can Address

• Coolant seepage at the hose body or connection points
• Cracking, hardening, or swelling in the original hose material
• Loss of coolant from a damaged expansion-bottle hose route
• Cooling-system service on BMW 528i, 525i, or 530i models
• Restoring proper coolant flow between connected cooling components

Installation Notes

Confirm the hose routing before installation and match the 480 mm length to the original part. Inspect adjoining plastic fittings, clamps, and sealing surfaces for wear or damage before reassembly. Verify the vehicle application by model year and cooling-system layout, especially on BMW 528i, 525i, and 530i vehicles.

Quality Assurance

Febi supplies replacement parts for European vehicle maintenance and repair, and this hose uses EPDM material selected for coolant-system service. Verify fitment against the listed BMW applications and OE reference 11 53 1 438 633 before ordering.