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-   -   Replacing DEF passive tank (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/103968-replacing-def-passive-tank.html)

scorpioy 06-10-2016 11:03 PM
Replacing DEF passive tank
 
Recently I got error code P21A8, which is for faulty sensor in the DEF passive tank. Did some search and found the solution is to replace the whole tank.
But I can't find anyone did it on their own. I'm trying to find OEM part number for this passive tank at RealOEM.com - Online BMW Parts Catalog
but there is no link for DEF related diagrams at all...
Someone please help.

edycol 06-10-2016 11:09 PM
Quote:
Originally Posted by scorpioy (Post 1080196)
Recently I got error code P21A8, which is for faulty sensor in the DEF passive tank. Did some search and found the solution is to replace the whole tank.
But I can't find anyone did it on their own. I'm trying to find OEM part number for this passive tank at RealOEM.com - Online BMW Parts Catalog
but there is no link for DEF related diagrams at all...
Someone please help.
What sensor is that? There is a solution by installing resistors that would create enough resistance to trick computer thinking it is full tank.
Try to research that, it is on this site.


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