CSF 3709 Radiator

Overview of CSF 3709 Radiator for BMW Models

The CSF 3709 radiator is designed specifically for various BMW models including the 320i, 323Ci, 325i, 328i, 330i, and Z4. Featuring a durable aluminum core paired with plastic tanks, this radiator offers reliable cooling performance tailored to your vehicle's needs.

• Core thickness: 1 1/4 inches
• Core width: 17 5/8 inches
• Core length: 22 13/16 inches
• Aluminum core with plastic tanks
• Cross flow design for efficient cooling
• Inlet and outlet diameter: 1 1/2 inches (left inlet, right outlet)
• Single row radiator core
• Compatible with multiple BMW models including 320i, 323Ci, 325i, 328i, 330i, and Z4

CSF 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core product line combines OEM-style plastic tanks with a lightweight aluminum core to provide effective heat dissipation and corrosion resistance. This design supports quick-connect inlet fittings, simplifying installation and maintenance. The single-row core thickness and cross flow configuration optimize cooling efficiency for BMW vehicles requiring precise fitment and performance.

Detailed Product Description

The CSF 3709 radiator features a 1 1/4 inch thick aluminum core measuring 17 5/8 inches wide and 22 13/16 inches long, providing a balance of cooling surface area and compact size. The plastic tanks are engineered to OEM specifications, ensuring compatibility and durability. The cross flow design allows coolant to pass horizontally through the core, improving heat exchange efficiency. Both the inlet and outlet have a 1 1/2 inch diameter, positioned on the left and right sides respectively, matching factory configurations for BMW 320i, 323Ci, 325i, 328i, 330i, and Z4 models. This radiator does not include a cap and is designed for vehicles that utilize a separate radiator cap system.

Common Applications and Issues Addressed

• Replacement for leaking or damaged radiators in BMW 320i, 323Ci, 325i, 328i, 330i, and Z4
• Resolves overheating caused by inefficient or clogged radiator cores
• Addresses coolant flow restrictions due to core damage or corrosion
• Improves cooling system reliability with OEM-style plastic tanks and aluminum core
• Suitable for vehicles requiring a cross flow radiator design

Installation Notes and Tips

• Ensure compatibility with your specific BMW model and engine configuration before installation
• Check inlet and outlet hose diameters (1 1/2 inches) for proper fitment
• Use appropriate coolant and follow manufacturer torque specifications for mounting
• Inspect and replace radiator hoses and clamps as needed during installation
• Bleed the cooling system properly to avoid air pockets after installation

Quality Assurance and Warranty

The CSF 3709 radiator is manufactured to meet OEM standards for fit, form, and function. The aluminum core and plastic tanks are designed to resist corrosion and thermal stress. While specific warranty details are not provided here, CSF products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.