Onix OR2636 Radiator

Radiator for BMW Z4 and 3 Series

Onix OR2636 is a direct-fit radiator for select BMW applications from 1999-2009. It is built as a drop-in-fit replacement with premium components for dependable cooling performance and a service-life focus suited to daily driving and repair work.

Key Features

• Direct-fit radiator for select BMW Z4 and 3 Series models
• Drop-in-fit design for straightforward replacement
• Engineered with upgraded components for consistent cooling performance
• 22-7/8 in. between tanks on listed applications
• Onix part number OR2636 for catalog and service reference

Detailed Description

Compatible With 2003-2009 BMW Z4, 2001-2006 BMW 325Ci, 2001-2006 BMW 330Ci, 2001-2005 BMW 320i, 2001-2005 BMW 325i, 2001-2005 BMW 325xi, 2001-2005 BMW 330i, 2001-2005 BMW 330xi, 1999-2001 BMW 323i, 2000 BMW 323Ci, 1999-2000 BMW 323ti, 2000 BMW 328Ci, 1999-2000 BMW 328i, 1999 BMW 323is, and 1999 BMW 328is. Onix OR2636 is designed for vehicles that require a radiator with 22-7/8 in. between tanks, making it a practical replacement choice for BMW cooling system service. This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.

Common Problems This Part Can Address

• Leaking or cracked radiator tanks
• Restricted coolant flow from an aging radiator core
• Overheating caused by reduced heat transfer
• Cooling system service on high-mileage BMW Z4 and 3 Series vehicles
• Replacement after corrosion or physical damage

Installation Notes and Tips

Verify radiator dimensions and vehicle fitment before installation. Confirm the 22-7/8 in. between tanks measurement matches the original unit on the vehicle. Inspect hoses, clamps, and coolant condition during replacement, and follow BMW cooling system service procedures when refilling and bleeding the system.

Quality Assurance

Onix Automotive develops value-priced replacement parts with engineered components intended to support longer service life and reliable performance in everyday repair applications.