Nissens 70528 HVAC Heater Core

Nissens 70528 HVAC Heater Core

The Nissens 70528 HVAC heater core is built with aluminum core and tank construction and brazed cooling fins for efficient heat transfer in the cabin heating system. It is a direct-fit replacement for select BMW applications, including BMW 640i, 650i, M6, 535i, 550i, 740i, and related models.

• Aluminum core material for thermal efficiency and corrosion resistance
• Aluminum tank material for a lightweight, OE-style construction
• Brazed cooling fins for consistent heat exchange performance
• Core dimensions: 5.3100 in. height, 9.6100 in. length, 1.2600 in. width
• Pipe included: No
• Part number: 70528

Detailed Application and Design

Built for BMW heating systems, this Nissens heater core supports proper cabin heat output by transferring engine coolant heat into the HVAC case. The aluminum construction and brazed fin design reflect Nissens’ focus on thermal components manufactured to consistent quality standards. This part number 70528 is a practical replacement choice for BMW 640i xDrive Gran Coupe, BMW 650i Gran Coupe, BMW M6 Gran Coupe, BMW 535i GT, BMW 740Li, and other listed applications.

This part cross-references BMW OE numbers 9163330 and 64119163330 for the same application.

What It Helps Address

• Weak or uneven cabin heat
• Coolant odor inside the vehicle from heater core leakage
• Fogging or film on interior glass caused by HVAC system issues
• Restricted heat transfer from a clogged or deteriorated heater core
• Temperature inconsistency in BMW HVAC operation

Installation Notes and Tips

Verify the heater core dimensions and vehicle fitment before installation. This unit does not include pipes, so reuse or source any required vehicle-specific connections as needed. Because heater core replacement often requires access through the HVAC case, inspect coolant condition, hoses, and seals during service to help prevent repeat repairs.

• Fits 2014-2019 BMW 640i xDrive Gran Coupe, N/A
• Fits 2013-2019 BMW 650i Gran Coupe, N/A
• Fits 2013-2019 BMW 650i xDrive Gran Coupe, N/A
• Fits 2014-2019 BMW M6 Gran Coupe, N/A
• Fits 2012-2018 BMW 640i, N/A
• Fits 2013-2018 BMW 640i Gran Coupe, N/A
• Fits 2014-2018 BMW 640i xDrive, N/A
• Fits 2012-2018 BMW 650i, N/A
• Fits 2012-2018 BMW 650i xDrive, N/A
• Fits 2012-2018 BMW M6, N/A
• Fits 2010-2017 BMW 535i GT, N/A
• Fits 2011-2017 BMW 535i GT xDrive, N/A
• Fits 2010-2017 BMW 550i GT xDrive, N/A
• Fits 2011-2016 BMW 528i, N/A
• Fits 2012-2016 BMW 528i xDrive, N/A
• Fits 2014-2016 BMW 535d, N/A
• Fits 2014-2016 BMW 535d xDrive, N/A
• Fits 2011-2016 BMW 535i, N/A
• Fits 2011-2016 BMW 535i xDrive, N/A
• Fits 2011-2016 BMW 550i, N/A
• Fits 2011-2016 BMW 550i xDrive, N/A
• Fits 2012-2016 BMW ActiveHybrid 5, N/A
• Fits 2013-2016 BMW M5, N/A
• Fits 2010-2015 BMW 550i GT, N/A
• Fits 2011-2015 BMW 740i, N/A
• Fits 2015 BMW 740Ld xDrive, N/A
• Fits 2011-2015 BMW 740Li, N/A
• Fits 2013-2015 BMW 740Li xDrive, N/A
• Fits 2010-2015 BMW 750i, N/A
• Fits 2010-2015 BMW 750i xDrive, N/A
• Fits 2010-2015 BMW 750Li, N/A
• Fits 2010-2015 BMW 750Li xDrive, N/A
• Fits 2010-2015 BMW 760Li, N/A
• Fits 2013-2015 BMW ActiveHybrid 7, N/A

Quality Assurance

Nissens develops thermal management components for the aftermarket with a focus on consistent manufacturing quality and application-specific fit. The 70528 heater core follows that approach with aluminum construction and brazed cooling fins for dependable HVAC service.