Overheating problem 1998 E36
I bought this car about 9 months ago and had no problems.
In September the neck where the upper radiator hose connects broke so I had to replace the radiator.
Since then when it gets really cold out the car will over heat. I live in Denver and it is cold as hell today, 2 degrees.
I was drving to work on the highway and traffic was a bit backed up but still moving and the car over heated.
I pulled into a gas station and it seemed like the coolant was low even though the computer didn't give the warning.
I bought some anti-freeze and filled it up.
I was on my way. After a bit the temperature gauge went into the red again. I was at a point where I couldn't pull over immediately, so I was trying to get some where, where I could pull over. The gauge went back down to normal. I went up and back down 2 more times before I got to work.
When I did get to work the computer did say that the coolant was low.
I checked all around and it doesn't appear to be leaking from any wear.
This is the second time this has happened. Both times have been when it has been extremely cold.
Any ideas? Thermostat?
I have searched and read several posts but nothing really seems to cover this.