Description
Heater Control Valve for BMW 6 645 650 E63 E64 2003 – 2010
The heater control valve (also known as the hot water valve) is the component that collects some of the hot coolant from your engine and diverts it to the heater core. This Acatana Heater Control Valve have Plug & Play OEM Size connector, Ultra-precision Finish and made of Rusty – proof material. Quality materials to withstand extreme temperatures.
Compatibility:
- BMW 6 645 Ci 09.03 – 08.05 E63
- BMW 6 650 i 09.05 – 08.10 E63
- BMW 6 M 09.05 – 07.10 E63
- BMW 6 645 Ci 04.04 – 08.05 E64 Convertible
- BMW 6 650 i 09.05 – 08.10 E64 Convertible
- BMW 6 M 09.06 – 08.10 E64 Convertible
Reference OEM: 64116906652, 64110301939, 64116908294, 64116931708, 64126927915
Features:
- Decent price for BMW heater control valve
- Perfect fit and easy to install
- No Leaking issue
- Meet or exceed OE standard quality and performance requirements.

How Do You Test a Heater Control Valve?
- Bring the engine up to operating temperature and switch the heater to the hottest setting.
- Check the temperature of the valve's outlet hose (between the valve and the heater core) — it should feel nearly as hot as the valve's inlet hose.
Does heater control valve affect AC?
- If the heater control valve fails or gets stuck, it will not be able to allow hot coolant into the heater core so that the heater can operate. If the heater does not have hot coolant, the AC system will not be able to blow hot air, and the front defroster may not work.
What would happen if the heater control valve was stuck closed?
- Some vehicles use a heater control valve that only opens (allowing hot coolant to flow through the heater core) when the heater control calls for hot air. The heater will fail to produce warm air if the control valve is stuck closed, leaking or disconnected from the heater control.
Package include: 1x Heater Control Valve

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Fitment Notice
AURUS Australia provides detailed product information and aims to keep it accurate and up to date.
Our product descriptions are carefully prepared to provide accurate and complete information to assist with your selection. However, they are for general reference only and may not account for all variations between vehicle models. We strongly recommend reviewing the description in full before purchase.
Compatibility depends on your vehicle’s exact specifications, including VIN, engine type, emissions setup, and regional differences.
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