Thread: Coolant Resevoir in B58 340i Engine
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      08-03-2016, 11:48 AM   #18
alistairk
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Drives: 2016 340i MSport, 6MT
Join Date: Oct 2012
Location: San Diego, CA

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Quote:
Originally Posted by mikeleeyh
Can someone confirm, is the BMW coolant premixed 50/50?
When I bought it, the parts guy told me to mix it with water, so I'm guessing it is not premixed.
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