I'd incorporate approximately a few pint or so of distilled water.. anymore and I might get some coolant to mix. if it goes off all over again, deliver it into the dealer. its likely just evap loss of the h2o part of the coolant combine. glycol doesnt evap as effortlessly https://carswithspoilersforsale79012.tokka-blog.com/27504048/how-types-of-coolant-for-bmw-335i-can-save-you-time-stress-and-money