Nissens 70501 HVAC Heater Core - Front

Overview of Nissens HVAC Heater Core 70501

The Nissens HVAC Heater Core 70501 is designed specifically for BMW models including the 318i, 318is, 325e, 325es, 325i, 325is, 325iX, and M3. Engineered with durable aluminum core material and plastic tanks, this heater core ensures efficient heat transfer and reliable performance in your vehicle's heating system.

• Core material constructed from aluminum for effective heat dissipation
• Plastic tank material to reduce corrosion and weight
• Mechanically jointed cooling fins for enhanced durability
• Core dimensions: Height 10.39 inches, Length 5.28 inches, Width 1.85 inches
• Includes pipe for straightforward installation

Detailed Product Description

The Nissens 70501 HVAC heater core features a robust aluminum core that facilitates efficient heat exchange within the heating, ventilation, and air conditioning system of compatible BMW vehicles. The plastic tank material helps resist corrosion and contributes to a lighter overall component weight. Its mechanically jointed cooling fins improve structural integrity and thermal performance, ensuring consistent cabin heating. The heater core’s precise dimensions—10.39 inches in height, 5.28 inches in length, and 1.85 inches in width—are tailored to fit the specified BMW models, including the 318i and M3, providing a direct replacement that meets OEM specifications. Additionally, the included pipe simplifies the installation process, reducing labor time.

Compatible BMW Models and Applications

This heater core is compatible with a range of BMW vehicles, specifically the 318i, 318is, 325e, 325es, 325i, 325is, 325iX, and M3 models. It is designed to replace the original heater core in these vehicles, restoring proper heating function and maintaining climate control efficiency.

Common Issues Addressed by Nissens Heater Core 70501

• Insufficient cabin heat due to clogged or leaking heater core
• Coolant leaks inside the vehicle causing fogging or damp carpets
• Overheating engine caused by compromised heater core function
• Unpleasant odors from coolant contamination in the HVAC system
• Reduced HVAC system efficiency impacting driver comfort

Installation Notes and Tips

Installation of the Nissens 70501 heater core requires draining the vehicle’s cooling system and careful removal of the dashboard components to access the HVAC housing. The included pipe facilitates connection to the existing coolant lines. It is recommended to inspect and replace any worn hoses or seals during installation to prevent future leaks. Proper bleeding of the cooling system after installation is essential to avoid air pockets and ensure optimal heater core performance.

Quality Assurance and Warranty

Nissens heater cores are manufactured to meet strict quality standards, using corrosion-resistant materials and tested for durability. The 70501 part number is backed by a limited warranty covering defects in materials and workmanship, providing assurance of reliability for BMW 318i, 325i, and M3 owners requiring a replacement HVAC heater core.