I managed to get xposed running on my i9515L with lollipop, however, I had to install Trinidad & Tobago's 5.0.1 rom, debloat (using this list as a basis http://xdaforums.com/showthread.php?t=2514703 ), deknox and deodex it (using this http://xdaforums.com/galaxy-s5/general/tool-deodex-tool-android-l-t2972025 ) and then I was finally able to run xposed on it
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Sent from my I9515L using Tapatalk