Quote:
Originally Posted by fmugur
Right, I understand that the mileage is not the only factor but I wanted to to get some feedback. I haven't seen anybody with NPG+ yet on X5 although there are quite a few guys on e39/38 forums that use it successfully. I assume that will put much less stress on the radiator and the whole cooling system. NPG+ is a high boiling temp cooling fluid.
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That is a whole separate debate. What I would worry about is that it doesn't transfer heat as well as either straight water or 50/50 coolant. The benefit is that it doesn't boil at the same temperature. So, you can run your cooling system much hotter without it boiling. Not sure how running it hotter puts less stress on the cooling system, unless you have a continual problem with boiling over.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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