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Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 5891
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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I added 50 50 coolant in my 2011 mini hardtop with out

Customer Question

I added 50 50 coolant in my 2011 mini hardtop with out water,then drove about 30 miles.Heard knocking after engine turned off.can I add water now or is it too late?
Submitted: 1 year ago.
Category: BMW
Expert:  Roger replied 1 year ago.


You can definately add water at any time and the vehicle water pump will mix the solution while you drive. If you have a siphon like a turkey batter take some coolant out of the resevoir and then add the water and drive the vehicle.

I hope this was helpful. Please provide a positive rating for my help today. Thank you.