Car Overheated, Coolant brown milky mixture, radiator or blown head gasket?
Just bought this car about 9 months ago, and everything has been fine with it until I was driving yesterday and the coolant light came on for a second (I didnít know what it was at the time but the light went off a few seconds later).
I parked my car got what I had to in Target and tried finding out what the symbol meant. On my way back the same coolant symbol came on and then my car started to overheat. I quickly pulled off to the side of the road, opened the hood and there was a brown milky mixture all over the bottom of the hood and all in the engine compartment.
I opened the coolant cap and it was empty but was not clean at all, it was the same brown milky consistency (I havenít filled or drained the coolant since I got the car)
I asked my friend who is BMW certified and he says itís the head gasket that is blown but the car runs fine if you put water and coolant in it. I brought it to a uncertified mechanic down the road and he thinks its the radiator that needs to be replaced.
The engine and dipstick oil looks the way it should be and the same milky consistency isnít in the engine.
WHAT SHOULD I DO? Replacing the head gasket was priced at 18 hours roughly $1500 on top of parts...