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Matt
Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 21998
Experience:  BEng hons Mech engineering, in auto industry 22 years
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ive put screen wash in my car by mistake ithought ide picked

Resolved Question:

ive put screen wash in my car by mistake ithought ide picked up antifreeze what do you suggest plz my car is a bmw 520i

Submitted: 2 years ago.
Category: Car
Expert:  Matt replied 2 years ago.
Hello
screenwash actually makes a reasonable coolant
how much screenwash have you put in?
Customer: replied 2 years ago.

3 pint bottles

Customer: replied 2 years ago.

3 pint bottles

can i still put antifreeze in over the screen wash and how much antifreeze do i need to put in thanks

Expert:  Matt replied 2 years ago.
Hello
OK
that's quite a bit
you can just add antifreeze but the important thing is to ensure you've got enough frost protection there to prevent ice forming best way to do this is with a 'tester' that sucks up a small sample of the coolant and will show you if its at sufficent concentration
like this
http://www.halfords.com/motoring/engine-oils-fluids/antifreeze/halfords-antifreeze-tester-meg
however the best approach is to pull the bottom radiator hose off to drain the system / radiator, this won't get everything out but will about half
then refit the hose and fill back up with antifreeze concentrate and check with a tester that you have at least 35% antifreeze
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