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Stiglitz 10-05-2012 11:45 AM

Coolant System Questions
How much coolant do I need to pick up. I searched a few places and from what i gather just one gallon of BMW coolant and 1 gallon distilled water. Right?

ventsyv 10-05-2012 11:50 AM

Yes, 1 gallon coolant & 1 gallon water will be enough to fill up the whole system. Obviously, if you are topping off, you'll need less than that.

goosefoot33 10-05-2012 11:50 AM

You are correct, although it's a great idea to pick up an extra gallon (of each) in case you need to top it off.

Edit: read this short thread:

OTOH, I've never seen anything posted on e46f that was intelligent enough to re-post here. There's a first for everything!

Sent from my ADR6410LVW using Bimmer App

ventsyv 10-05-2012 11:58 AM

1 gallon is the only size available, so ...

Stiglitz 10-05-2012 06:16 PM

One gallon is the only size available NO WAY DUDE...der I was referring to if I needed more then (1) one gallon jug pretty sure there isn't a bmw coolant crisis going on which restricts that I can only buy one gallon. God some people need to go to community college and take some reading comprehension classes.

GoForthFast 10-05-2012 10:27 PM

Capacity of coolant system is something like nine liters, so to get a 50/50 mix, need more than a gallon of each.

Inconvenient truth.

I saved my excess from last time so this time I'll only need to buy another gallon.

lgr122 10-05-2012 11:15 PM

8.4 liters says my repair manual for 6-cylinder engines.
If having one gallon of coolant it would make 45% coolant / 55% water mixture.

If you were in south i would say it's close enough, but in north that antifreeze function is important also.
Can get cracked engine, if coolant isn't strong enough.

Stiglitz 10-06-2012 06:33 PM

1 Attachment(s)
So the Stewart pump hype is real for anyone scratching their head at the difference in price this thing is a beast compared to the factory one

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