Car cold: Top up the reservoir to the full line, run the car to circulate the coolant for a minute and continue adding fluid to maintain fill line. Bleed the system. From now on as long as you don't let the reservoir get completely empty you can open the reservoir any time you need to add coolant.
If you need to bleed every time you fill coolant you're either letting it get completely empty and suck air in or you've never completely bled it to begin with.
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Chad // 2001 BMW 740i M-Sport // 2000 BMW 540i Sport // 1997 BMW 328i Premium //
E38 16" Style 5 Basketweaves, M52 Parts, and New Gaskets/Seals for Sale!! PM for info. .
Originally Posted by SlimKlim
You're a derbanana