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Old 01-02-2013, 09:30 AM
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gfeiner gfeiner is offline
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Location: Houston, TX
Join Date: Jun 2003
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Mein Auto: 2012 X3 xDrive35i
Originally Posted by Jen4BMW View Post
My low coolant light came on at 8500 miles. Drove to the dealer and they topped me off no charge. Dealer said that this is a common issue due to the temp these engines run at and given the coolant is 50% water. Evaporation was their explanation. I accepted that. Seems logical.
Just to clarify, the coolant/antifreeze itself is not 50% water. What you buy at the dealer or parts store is 100% coolant. You are supposed to mix in distilled water yourself at a 50% ratio whenever you add more coolant to the vehicle.
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