Coolant color check

mck159

Member
Hello,

My coolant is way below minimum and I bought BMW OEM one but I cannot see if one that is in the car is also blue color (I've read on forum that I shouldn't mix different color, because it may cause some chemical reaction). Is there any simple way to check color of existing one? It's so below minimum that I can't see this when I open the cap and use the flashlight
 
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