Draining DEF Tank

duramax · 07-20-2017, 07:36 PM

Any easy way to do this? Is there a drain plug or do we have to siphon?

Owen81 · 07-21-2017, 03:27 AM

Two drain tubes, one for each of the tanks. They are on the driver side, under the fender by the DEF fill cap.
This has been covered many times, including here:
http://www.e90post.com/forums/showpo...4&postcount=61

07-20-2017, 07:36 PM	#1
duramax Private 16 Rep 94 Posts Drives: 2011 335D Join Date: Sep 2011 Location: Kansas City, MO iTrader: (0)	Draining DEF Tank Any easy way to do this? Is there a drain plug or do we have to siphon?
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07-21-2017, 03:27 AM	#2
Owen81 Lieutenant 87 Rep 433 Posts Drives: 335d, 17/22 TDI Join Date: May 2015 Location: Alberta, Canada iTrader: (0)	Two drain tubes, one for each of the tanks. They are on the driver side, under the fender by the DEF fill cap. This has been covered many times, including here: http://www.e90post.com/forums/showpo...4&postcount=61 Last edited by Owen81; 07-21-2017 at 03:35 AM..
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