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What specification of antifreeze does BMW use?

1 Answers

DelIsabella

07/29/25 6:56am

BMW requires antifreeze with a -40°C specification. Antifreeze is a coolant containing special additives, primarily used in liquid-cooled engine cooling systems. It offers excellent performance features such as preventing freezing in winter, boiling in summer, and providing year-round protection against scale and corrosion. Can different antifreeze brands be mixed: The same brand of antifreeze must be used. Different brands of antifreeze may have varying production formulas. If mixed, chemical reactions between multiple additives may occur, rendering them ineffective. How to determine if antifreeze is low: Observe the antifreeze warning light on the dashboard. If it illuminates, it is likely due to low antifreeze levels, though it could also be caused by excessively high cylinder temperatures. Check the antifreeze reservoir. If the fluid level is below the minimum mark (MIN), do not continue driving and promptly add antifreeze. Inspect the water level scale markings on the antifreeze tank. The normal antifreeze level should be between the maximum and minimum marks. To check if antifreeze is low, observe the scale—if it is below the minimum mark, it indicates a deficiency.

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