Nissens 70533 HVAC Heater Core

Nissens 70533 HVAC Heater Core

The Nissens 70533 HVAC heater core is built for BMW and Mini applications that require a precise thermal exchange component for cabin heat performance. With an aluminum core and aluminum tanks, it uses brazed cooling fins to support efficient heat transfer in a compact design.

• Aluminum core material for lightweight thermal performance
• Aluminum tank material for corrosion-resistant construction
• Brazed cooling fins for consistent heat exchange
• Pipe included for application-specific installation
• Compact dimensions: 154 x 169 x 26 mm

Application Details

This heater core is engineered for vehicles including the BMW 228i Gran Coupe, BMW X2, BMW X1, BMW i3, BMW i3s, and Mini Cooper, Cooper Clubman, and Cooper Countryman applications. It also cross-references BMW 64119297754 for the same application. The Nissens 70533 is a direct-fit HVAC heater core solution for select BMW and Mini models across 2014-2024 model years.

What It Helps Address

• Weak or uneven cabin heat output
• Coolant leakage from a damaged heater core
• Restricted heat transfer caused by internal blockage
• Fogging or moisture issues tied to poor heater performance
• Temperature inconsistency in the HVAC system

Installation Notes

Verify the core dimensions and vehicle fitment before installation. This part is listed with pipe included, and the compact 154 x 169 x 26 mm size should be matched to the original unit for proper HVAC case fitment. Confirm the application against the vehicle’s existing heater core and OE reference before service work begins.

Quality Assurance

Nissens develops thermal management components for the aftermarket with a focus on consistent manufacturing standards and application-specific fitment. Part number 70533 is produced as a Genuine Nissens Quality component for BMW and Mini heater core applications.