My bmw e46 keeps over heating i had thermo changed and was not doin this before and now over heats top hose is piping hot. Bottom is cold but i get hot air coming out vents i had water pump changed 1 year half ago its been bleed fully no air. What else can be the pipe exploaded aswell bought another thermo same problem.
Have your damper changed out.looks like your cooling fans are not turning on .first of all chech your fuse se if it's not blown.
Don't worry I'm sure you will get the solution of your problem, just check the link I attached
Bmw e46
SOURCE: bmw 320i touring 1995 n reg
check and see if you get water/coolant circulates when you have the cap off (only check from cold start) the original water pump came with a plastic impeller and tends to strip on the shaft also check your thermostat before replacing water pump.
SOURCE: bmw e46 316i 1.9 L (1895cc) M43B19 2001
i have a hose that is broke on my 316i but i need a dwawing of my engine to identify the part .
SOURCE: bmw 318i e46 idle bad
try disconnecting the air mass meter sensor if it runs better then ur air mass meter has failed had the same problem
SOURCE: i have a bmw 318i e46 and she keeps overheating
check your radiator for blockage, and have your cylinder block check for blockage. If everything is ok there. it could be the cylinderhead gasket has blown, and need's replacing.
SOURCE: i have a bmw e46 318i se when i start the car the
it could be afaulty coolant temp sensor or a sticky fan relay, I suggest to swap the cooling fan relay first but if doesn't make change then i go through coolant temp sensor.
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