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      06-07-2015, 05:01 PM   #18
Bönz
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Drives: 2018 M5
Join Date: Jan 2012
Location: Michigan

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Quote:
Originally Posted by Ian335xd View Post
The engine coolant is on the left and the air charge coolant on the right.As you can see it has warning symbol on the cap on the left as this is engine coolant and gets very hot the other coolant runs relatively cool.
Wrong again, but nice guess. You think both the owner's manual and tech manual are wrong? Here are pics from under my hood. BOTH have warning symbols. Clearly the one on the left is a low pressure reservoir cap (DME/intercoolers) while the one on the right is a high pressure engine coolant cap.
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