The APDTY 162265 HVAC Heater Core Control Changeover Valve Actuator Motor Assembly is a direct-replacement valve actuator that controls hot coolant flow through your vehicle's heater core. When this electrically-operated valve fails, you lose heat in the cabin or experience inconsistent temperature control. This assembly replaces OE numbers 64128372016, 64116906652, 64128374995, and others, restoring proper climate function in dozens of BMW and Land Rover Range Rover models from 1996 to 2011.
Key Takeaways
- Direct replacement for failed BMW and Range Rover heater control valve actuators
- Restores cabin heat and fixes no-heat or temperature-blend issues
- Fits 1996-2011 BMW 5, 6, 7 Series, M5, M6, X5, Alpina B7 and 2002-2010 Range Rover models
- Replaces OE part numbers 64128372016, 64116906652, 64128374995, and ten others
- Brand-new assembly ready to install
Buy APDTY 162265 directly from APDTY
What Does the Heater Control Valve Actuator Do?
The heater control valve actuator is a small electric motor that opens and closes a valve in the coolant line feeding your heater core. When you adjust the cabin temperature on your climate control panel, the HVAC module sends a signal to this actuator, which rotates the valve to allow more or less hot coolant into the heater core. This modulates the air temperature coming from your vents.
In many BMW and Range Rover models, the actuator is integrated into the valve assembly. When the motor or valve mechanism fails, the valve may stick open (constant heat), stick closed (no heat), or produce erratic temperature swings as the actuator fails to respond correctly to climate control commands.
What Are the Symptoms of a Failed Heater Control Valve?
A failing heater control valve actuator produces several telltale symptoms:
- No heat from vents: The valve is stuck closed, blocking hot coolant from reaching the heater core even when heat is requested.
- Constant heat regardless of setting: The valve is stuck open, allowing coolant to flow continuously through the heater core.
- Inconsistent or fluctuating cabin temperature: The actuator motor is weak or binding, causing erratic valve movement.
- Climate control error codes or warning lights: The HVAC control module may detect a fault in the actuator circuit and log diagnostic trouble codes.
- Audible clicking or buzzing from under the hood: The actuator motor may make noise as it struggles to move the valve.
These symptoms often worsen gradually as the actuator motor wears or the valve seizes due to corrosion or debris in the coolant system.
Which Vehicles Does APDTY 162265 Fit?
APDTY part number 162265 is confirmed compatible with the following BMW and Land Rover models. Always verify fitment using the live compatibility chart on the product page before ordering, as sub-models and production dates may vary:
| Make | Model | Years |
|---|---|---|
| BMW | 525i | 2001–2010 |
| BMW | 525xi | 2006–2007 |
| BMW | 528i | 1996–2011 |
| BMW | 528xi | 2008 |
| BMW | 530i | 2001–2010 |
| BMW | 530xi | 2006–2007 |
| BMW | 535i | 2008–2010 |
| BMW | 535i GT | 2010 |
| BMW | 535i xDrive | 2009–2010 |
| BMW | 535xi | 2008 |
| BMW | 540i | 1997–2003 |
| BMW | 550i | 2006–2010 |
| BMW | 550i GT | 2010 |
| BMW | 550i GT xDrive | 2010 |
| BMW | 645Ci | 2004–2005 |
| BMW | 650Ci | 2006–2011 |
| BMW | 650i | 2006–2010 |
| BMW | 740i | 2000–2001 |
| BMW | 740iL | 2000–2001 |
| BMW | 745i | 2002–2005 |
| BMW | 745Li | 2002–2005 |
| BMW | 750i | 2006–2009 |
| BMW | 750Li | 2000–2001 |
| BMW | 760i | 2004–2006 |
| BMW | 760Li | 2003–2009 |
| BMW | Alpina B7 | 2007–2008 |
| BMW | M5 | 2000–2010 |
| BMW | M6 | 2006–2010 |
| BMW | X5 | 2000–2006 |
| Land Rover | Range Rover | 2002–2010 |
| Land Rover | Range Rover Sport | 2006–2010 |
This part replaces the following OE and aftermarket part numbers: 64128372016, 64116906652, 6412697915, 64128374995, EHV004, EHV100, 74892, HCV103, V20-77-0029, 100705, SK416009, 64116931708, 64116908294, 13621433077.
Specifications and Design
The APDTY 162265 is a brand-new heater control valve actuator motor assembly supplied as a complete, ready-to-install unit. Key specifications include:
- Type: Electric actuator motor with integrated coolant valve
- Condition: Brand new (not remanufactured)
- Fitment: Direct OE replacement, no modifications required
- Connector: Matches original wiring harness plug
- Material: Corrosion-resistant housing and valve body designed for long-term coolant exposure
This assembly is engineered to meet or exceed original-equipment performance, ensuring accurate temperature control and reliable operation across the full range of climate settings.
Installation Overview and Safety Considerations
Replacing the heater control valve actuator is a straightforward procedure on most BMW and Range Rover models, but it does involve working with the engine cooling system. Always let the engine cool completely before beginning work. General installation steps include:
- Locate the valve: The heater control valve is typically mounted on or near the firewall, in-line with heater hoses running to the heater core.
- Drain or capture coolant: Place a drain pan under the valve. Depending on design, you may need to drain some coolant from the radiator or simply be prepared for spillage when disconnecting hoses.
- Disconnect electrical connector: Unplug the wiring harness from the old actuator.
- Remove hose clamps and hoses: Use hose-clamp pliers or a screwdriver to loosen clamps, then carefully pull hoses off the valve ports.
- Unbolt and remove old valve: The valve may be secured with one or two bolts or mounting tabs.
- Install new APDTY 162265 assembly: Position the new valve, reconnect hoses with new clamps if the old ones are worn, and plug in the electrical connector.
- Refill and bleed coolant system: Top off the coolant reservoir and run the engine with the heat on high to purge air from the system. Check for leaks around the new valve.
- Test climate control: Verify that temperature adjustment works correctly and that no fault codes remain.
Safety note: Engine coolant is toxic and can cause burns if the system is hot. Wear safety glasses and gloves, and dispose of old coolant according to local regulations. If you are not comfortable working with the cooling system, consult a professional technician.
Frequently asked questions
Will APDTY 162265 work on my 2005 BMW 530i?
Yes, the APDTY 162265 is confirmed compatible with 2001–2010 BMW 530i models. Always verify your specific vehicle using the live compatibility chart on the product page to ensure correct fitment.
What OE part numbers does this replace?
This assembly replaces BMW and Land Rover OE numbers 64128372016, 64116906652, 6412697915, 64128374995, 64116931708, 64116908294, 13621433077, and several aftermarket equivalents including EHV004, EHV100, HCV103, and V20-77-0029.
Can I drive with a bad heater control valve?
You can drive, but you may have no heat in winter or constant unwanted heat in summer. A stuck-open valve can also cause the engine to run slightly cooler than optimal. It's best to replace the valve promptly to restore proper climate control and engine temperature regulation.
Do I need to bleed the cooling system after installing this part?
Yes. Any time you open the cooling system, air can enter. After installation, top off the coolant reservoir, run the engine with the heater on high, and check the reservoir level again once the thermostat opens and air purges from the system.
The APDTY 162265 HVAC Heater Core Control Changeover Valve Actuator Motor Assembly is the direct solution for no-heat, constant-heat, and erratic temperature problems in dozens of BMW 5, 6, 7 Series, M, X5, Alpina, and Land Rover Range Rover models from 1996 to 2011. This brand-new assembly replaces more than a dozen OE part numbers and restores precise climate control with a straightforward installation. Check the live compatibility chart, verify your OE part number, and order APDTY 162265 to get your cabin comfort back on track.