What is the button for BMW air conditioning temperature synchronization?

2 Answers
LaAniyah
07/28/25 5:54pm
The SYNC button on BMW is the synchronization button for the dual-zone automatic air conditioning, which ensures consistent temperature adjustment between the left and right zones. SYNC Precautions: The Chinese meaning of SYNC is synchronization. After pressing this button, the temperature of the air outlets on both sides of the car will be the same. When the button light is on, the temperature of the air outlets on both sides of the car is the same and adjusts synchronously. This means that when the owner adjusts the temperature on one side, both air outlets will actually have the same temperature. SYNC Off: When the air conditioning is turned on, simply adjust the temperatures on both sides to be different, and SYNC will automatically turn off.
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VanEloise
08/11/25 11:51pm
My BMW 5 Series has been driven for over three years, and the air conditioning temperature sync button is prominently positioned on the center console. This button is typically the rectangular one below the central air volume knob, marked with either the letters 'SYNC' or two overlapping small arrow icons. Pressing it automatically adjusts the passenger side temperature to match the driver's setting. Last time my wife complained about being cold, I just pressed it with one hand to sync both sides. Note that some older BMW models might require operation through the iDrive menu—first press the climate menu button, then locate the temperature sync option. When activated, the dashboard displays a dual-zone sync symbol, which is especially convenient for long trips, eliminating the need to constantly adjust the passenger side temperature.
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