Koyorad A2941 Radiator

Koyorad A2941 Radiator for BMW Cooling Service

The Koyorad A2941 radiator is an OE-equivalent replacement built for BMW cooling system service. It uses an aluminum core with plastic tanks and the correct 1.5-inch inlet and outlet sizing for listed applications, making it a direct-fit option for BMW Z4, X1, 135i, 335d, 335i, 335i xDrive, and 335is models.

Koyorad Radiator products are developed with the technical experience needed to produce replacement radiators that match original equipment expectations for fit and function. This A2941 radiator is a practical choice when replacing a leaking, clogged, or damaged factory radiator on select BMW turbo diesel and gasoline applications.

Key Features

• Part number: A2941
• Aluminum core construction with plastic end tanks
• Single-row core design
• Core dimensions: 23.625 in. height, 14.4375 in. width, 1.0625 in. thickness
• 1.5 in. inlet and 1.5 in. outlet diameters
• OE-equivalent radiator replacement from Koyorad
• Compatible with select BMW Z4, X1, 135i, 335d, 335i, 335i xDrive, and 335is applications

Detailed Description

The Koyorad A2941 radiator is engineered for BMW owners who need a replacement radiator that follows original equipment dimensions and connection sizing. Its aluminum core supports efficient heat transfer, while the plastic tank design matches the construction used on many factory-style radiators. For BMW 335i and 335i xDrive applications, note the listed external oil cooler configuration requirement. If you are searching for a BMW radiator replacement for 2007-2011 BMW 335i, 2009-2011 BMW 335d, or 2009-2016 BMW Z4 service, this part number provides a focused fitment match.

This part cross-references no listed alternate part numbers in the provided data.

Vehicle Fitment

• Fits 2009-2016 BMW Z4, N/A
• Fits 2013-2015 BMW X1, N/A
• Fits 2010-2011 BMW 135i, N/A
• Fits 2009-2011 BMW 335d, N/A
• Fits 2007-2011 BMW 335i, N/A
• Fits 2009-2011 BMW 335i xDrive, N/A; External Oil Cooler; Koyorad Radiator
• Fits 2011 BMW 335is, N/A; External Oil Cooler; Koyorad Radiator

What It Helps Address

• Coolant leaks from a cracked or aging radiator
• Restricted coolant flow caused by internal buildup
• Overheating from reduced heat dissipation
• Damaged radiator tanks or core fins
• Cooling system service on BMW models with the listed fitment

Installation Notes and Tips

Verify the inlet and outlet diameter, core size, and vehicle configuration before installation. For 2009-2011 BMW 335i xDrive and 2011 BMW 335is applications, confirm the external oil cooler requirement listed in the fitment notes. Inspect hoses, clamps, and coolant condition during radiator replacement to complete the repair correctly.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and replacement-focused construction. The A2941 is built to support a direct-fit radiator replacement for the listed BMW applications.