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      12-05-2016, 08:17 PM   #15
Broken135i
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Drives: 2011 135i Black 6 Speed
Join Date: Dec 2016
Location: Vancouver BC

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Quote:
Originally Posted by HyeWarrior View Post
I had a cracked expansion tank a while ago. Looked pretty similar. Happened right after I replaced my water pump and thermostat, and it drove me insane.

Cracks are hard to see though. Why don't you refill, leave the car on and check to see where it's coming from?
It wont leak unless its being driven hard, im sure if i never drove the piss out of it it would never leak a single drop. Only if i drive it hard will it leak while im on the gas, i could stop from 200kph to 0 as fast as possible after it sprays and run and pop the hood as quick as possible and all i would see is the aftermath of it spraying :/ i'v ordered a pressure tester. I feel like i should buy a tank as well (as well as the tech's on here iv also had a bmw dealer shop foreman come out to the parkinglot, he scoped my car, put it into bleed mode, told me its highly unlikely a head gasket and that i should replace the bottle :/ $200 to throw at parts is kinda lame, but no one thinks its the head gasket :/
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