Thread: Low coolant
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      12-31-2021, 12:59 PM   #36
aerof16
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Drives: 2017 540i
Join Date: Dec 2020
Location: Arizona

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Quote:
Originally Posted by Gobbydigital View Post
Where should I be looking for the residue?
Mine was leaking at the main reservoir tank, identified by the greenish residue haha. That horizontal line on the tank is where two moldings were pieced together or something and that is where mine was leaking.

Dealer replaced under CPO warranty and then also replaced my water pump for some reason (maybe they thought it was leaking there too?).

I’d attach a pic but this website is junk if I’m on my phone.
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