E46Fanatics - View Single Post - Help with unidentified coolant leak, [pics included]
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Old 11-29-2012, 11:45 AM   #24
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Join Date: Sep 2012
Location: Old Greg's Cavern
Posts: 12,671
My Ride: '13 128i, '04 330Ci
Originally Posted by bostonsc4 View Post
The culprit is the hose that connects to the bottom of the ET and runs towards the back of the engine! It had about a 1" major laceration in it right where I thought it would. It appears to have rotted from the inside out.

Does anybody know the proper name of this hose? Or a diagram I can look for it? Thanks guys
I think it is #5 here:

Part #: 11531436410

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