BMW Control Unit Automatic Air Cond. High - Genuine BMW 64119354145

Product Information

BMW Heater Control diagram for 320i, 320i xDrive, 328d, 328d xDrive, 335i, & more

The HVAC temperature control panel is the user interface that allows adjustment of the vehicle’s heating, ventilation, and air conditioning system. It manages functions such as temperature selection, fan speed, air distribution, and in some cases, defrost and A/C activation. Depending on the vehicle, it may feature manual knobs and switches or an electronic touchscreen interface. Built for durability and frequent use, the control panel ensures driver and passenger comfort by regulating cabin climate with precision.

• Unresponsive buttons, knobs, or touchscreen – indicates internal wear or electronic failure.
• Inability to change temperature, fan speed, or airflow direction – caused by faulty panel operation.
• Intermittent illumination or display issues – suggests electrical or backlighting problems.

About Genuine BMW

The original parts used by BMW to build your car are available as replacement parts under the “Genuine BMW” brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMW’s stringent standards and are the same quality of the original parts used to build your Ultimate Driving Machine.

You may not realize this, but the parts that make up your BMW are not necessarily manufactured by BMW. No cause for concern, as BMW designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for BMW for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine BMW parts box and find an OEM branded part inside, simply with the addition of a BMW logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.