Onix OR2973 Radiator

Onix OR2973 Radiator Overview

The Onix OR2973 radiator is a direct-fit cooling replacement for select BMW applications, including 2007-2013 BMW 335i and 2009-2016 BMW Z4 models. It is built for drivers replacing a worn or leaking radiator and looking for a drop-in-fit solution for BMW cooling system service.

• Direct-fit radiator for select BMW 1 Series, 3 Series, and Z4 applications
• Fits 2007-2013 BMW 335i, N/A
• Fits 2009-2016 BMW Z4, N/A
• Fits 2008-2013 BMW 135i, N/A
• Fits 2013 BMW 135is, N/A
• Fits 2009-2013 BMW 335i xDrive, N/A
• Fits 2011-2013 BMW 335is, N/A
• Fits 2011 BMW 1 Series M, N/A
• Fits 2007-2008 BMW 335xi, N/A

Key Features

• Onix part number OR2973
• Engineered as a premium-quality replacement radiator
• Built with components selected for longer service life and consistent cooling performance
• Part of Onix's value-priced automotive cooling line
• Fits BMW 335i radiator replacement needs across multiple model years

Detailed Description

Onix Automotive develops replacement parts with a focus on dependable fit and practical value. The OR2973 radiator is part of the brand's drop-in-fit radiator line, created for straightforward replacement in BMW cooling system repairs. For BMW 335i, BMW 135i, and BMW Z4 radiator service, this part number provides a direct application match across the listed vehicles.

Onix designs its product lines with upgraded component selection to support durability and stable performance in everyday use. If you are searching for an Onix OR2973 radiator for BMW 335i or a BMW Z4 radiator replacement, this unit is listed for the exact applications shown below.

Common Repair Uses

• Coolant leaks from a damaged radiator core or tank
• Overheating caused by reduced heat transfer
• Corrosion or age-related radiator deterioration
• Cooling system service on a BMW 335i, 135i, 135is, 335is, 335xi, 335i xDrive, 1 Series M, or Z4

Installation Notes

Verify the vehicle year, model, and drivetrain before installation. Confirm radiator dimensions, hose connections, and mounting points against the original unit before removal. Proper cooling system bleeding and coolant refill procedures should be followed after installation to help restore normal operating temperature.

Quality Assurance

Onix positions this radiator line as a premium-quality, value-focused replacement program with components selected for improved service life and performance. Part number OR2973 is engineered for the listed BMW applications and is intended for direct replacement use.