Finally got to doing the cooling system. Thermostat has been stuck open for months and finally bought everything from FCPeuro and did it in a couple hours. Filters too. Side note. The stupid radiator drain plug snapped off when I touched it so that was fun to remove. I’ll get a new one from the stealer tomorrow. 125K miles. Other than the thermostat there were no leaks and no cooling issues. Just wanted to be cautionary.

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1997 E39 540i (Sold)
2005 E53 3.0 125K miles