I am having a problem with it and was wondering what you gusy thought of my crack-pot theory as to what is happening.
So here's the deal...
When it is super cold outside, my coolant seems to spew out. I have had it to two different, though not BMW, mechanics and they can not figure it out!?! I was pondering last night and thought that maybe the ice mixed with the coolant is freezing displacing the coolant, causing it to be pushed out of the overflow. The only hole in this theory is that it doesn;t happen all the time when it is butt-cold, or super cold. It only happens when I drive it a short distance, then park it. I come out in the morning and presto...coolant everywhere. I thought a bit more...it had happended twice and both times I drove very short distances and it was very cold. I am not used to having nice cars, so I didn't warm it up.
I think that if I don't warm the car up, the ice from the water doesn't have time to melt because of the short distances drove. I suppose when you drive the coolant works into the system and pressure builds. If the ice doesn't fully melt, this along with the pressure could cause my coolant to spew...
Thanks! The mix should be 50-50 right? I believe that's what it was. Correct me if I'm wrong but, once coolant is mixed with water, it stays mixed. Does this mean that there is no way the water could freeze???
The AutoGuide.com network consists of the largest network of enthusiast-owned enthusiast-operated automotive communities.
AutoGuide.com provides the latest car reviews, auto show coverage, new car prices, and automotive news. The AutoGuide network operates more than 100 automotive forums where our users consult peers for shopping information and advice, and share opinions as a community.