Hi! I just came across this site so first let me say hello to everyone. :) I have a 1997 BMW 328i with about 197,000 miles on it and I'm having problems with it overheating. Months ago, there was an issue with the coolant level and I would have to keep filling it back up at least twice a week. Long story short; there was a hole in one of the tubes and the coolant was leaking out so I got it fixed.
Now, some months later I was driving home when I noticed the thermostat was on red so immediately I pulled over, only to find the coolant tank was still full. After finally getting it home and parking it, a few days later I got my step father to come out and help me figure out the problem. He had me start the engine and rev it until it began to overheat so that he could see what was going on and basically; the coolant was literally bubbling over and being forced OUT of the tank even with the cap sealed tightly; along with some steam.
Does that sound like a normal issue? Perhaps anything having to do with the water pump? :dunno:
Either way, I cannot drive it anywhere without it overheating in minutes.
Cooling systems have always been a major weak spot on BMWs, which is why they need to be rebuilt every 75,000 miles or so. Overheating is the leading cause of death for BMW engines, so investing a few hundred bucks now will save you *thousands* in damages down the road.
You can buy rebuild kits online, here`s a good one : http://www.turnermotorsport.com/p-20...-3-series.aspx
It`s about 3 or 4 hours of labor for someone who is mechanically inclined.
Good luck !
PS: Add a coolant expansion tank to this kit, they *always* fail when you least expect it !
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