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      12-01-2012, 12:36 AM   #5
John 070
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Drives: 335i cpe
Join Date: Oct 2006
Location: ZSP/ZPP/ZCW

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Maybe times have changed, but a 50:50 mix is good to -34F, not C. And if you go beyond 70% antifreeze, you actually reduce the anti-freeze and anti-boil. Who the heck knows, I was always better at physics than chemistry.