Apr 21, 2019 · The vast majority of modern cars use liquid cooling to maintain optimum engine temperature. If you're buying antifreeze/coolant in a store or online, it's important to know the difference between the two. A product labelled coolant will be a pre-mixed, ready to use solution of Anti-freeze and water that you can pour straight into the cooling ... Antifreeze Blue is a full concentrate which meets BS6580 and contains the same pure ethylene glycol and anti-corrosive additives as the Red. Its application is for protection for up to a maximum of 2 years. It meets or exceeds the requirements of the following European & International standards: BS 6580:2010, ASTM D 3306, ATSM D 4985, SAE J 1034. Jun 02, 2017 · June 2, 2017 - For some vehicles, you're advised to change the coolant every 30,000 miles. For others, changing the coolant isn't even on the maintenance schedule. May 02, 2014 · I would have preferred an optional larger battery to a REx as well. Maybe, BMW will make it a third option in the future, for the people in categories 1, 2 and 3. To be quite honest, BMW's "marketing" evaluation of the model sales (BEV vs. REx) won't mean squat in a couple of years.