Coolant bow

Asked by Kelvinkoh Dec 13, 2018 at 09:55 PM about the 2010 BMW 5 Series

Question type: Maintenance & Repair

i poured engine oil into the
coolant box.if need to empty the
coolant bow&,pour the new to
coolant box. What is the amount?

1 Answer
43,910

Hornet_2497 answered 5 years ago

You can sometimes take the coolant bottle hose that runs up to the radiator cap, and disconnect that hose and lower it to the ground to drain the bottle. Or you can reach in the bottle with another hose and siphon it off... the oil will float on top of the coolant. Or you can add more coolant slowly and the oil, being on top, will overflow first to the ground. The bottle will be overly full but not to worry. Tell us which method works best. Method #3 is messy.

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