Where to Add Antifreeze in a BMW?

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BMW antifreeze is added to a black reservoir located on the left side of the engine. Simply open the reservoir cap to add the fluid. The full name of the coolant is antifreeze coolant, which prevents the coolant from freezing and expanding in cold weather, thereby avoiding damage to the radiator and engine block. Antifreeze is not just for winter use; it should be used year-round. As part of regular vehicle maintenance, the engine antifreeze should be replaced every year. BMW, short for Bayerische Motoren Werke, is a German automobile brand under the BMW Group. It offers models such as the i, X, Z, and pure numeric series (1, 2, 3, etc.), as well as the M series, which is an enhanced version based on these models.