Quote:
Originally Posted by drunkenup
You should do something about the fitting off the front of the head going to the thermostat, either replacing the fitting with any of the metal aftermarket pieces, or with a new oem hose that comes with the fitting. Seen it break on all N5x, non turbo too
Plastic radiator drain plugs tend to break so I would have a whole new plug and sleeve ready. The head of the plug on my 330i broke off just breathing on it
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+1 on the radiator drain plug. Fuck that thing. Why did they make the control sleeve a one-time use item? If your radiator drain plug was stuck or stripped, you used to be able to remove the control sleeve.