Including engine coolant (also referred to as antifreeze) to the 2011 BMW 335i is rather easy. Engine coolant / antifreeze circulates as a result of your engine to help keep it neat in the summer but will not freeze in the Wintertime. Be sure to Test your engine when it https://automotive-transmission28383.mdkblog.com/32917542/an-unbiased-view-of-types-of-coolant-for-bmw-335i