Ho fanatics. I am kinda new to e46 ,and having too much fun with 330ci ,but at the same time , want to learn things from all of you.
if you have time to take a look at this , please give me some opinions.
sorry for drawing but the arrow is the front direction.
as you can see the blue circle...
OK. new to BMW. Fine car. But it seems like cooling system issues are common.
I understand that plastic fails with age, and that is a likely cause of system failures.
But I can't help wondering if the design is also part of the problem.
Many (most???) cars use an overflow tank and a pressure...