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      08-13-2019, 08:18 PM   #129
Enlisted Member

Drives: 2010 M3
Join Date: Apr 2012
Location: Brooklyn

iTrader: (0)

Originally Posted by pbonsalb View Post
You need to find that metal clip for the small hose from the expansion tank to the thermostat housing. It probably fell down onto the front undertray. You could check realoem to see if it is sold separately but I doubt it. You might be able to buy a complete used hose with clip on eBay.
Looks like I'm gonna need to buy a new hose. It went flying out when I was loosening the hose and I can't find it.
How likely do you think it is to fall out while driving? Not gonna have the hose for a couple of days.

Also I had almost zero spill after siphoning the expansion tank. A little bit less then a gallon came out.