CM 13 SuperSU and custom Kernel possible ?

Ok so i can't get custom kernels and super su working without installing patched root.boot file from Junior Passos here
If i try to flash kernel/supersu.zip without flashing that boot.img, i get errors in logcat.

Is that patched rootboot file only for stock MM and not for CM13 ? Because i think the reason for bootloop is that CM13 already has root access in developer options and is in no need for rooting, right ?

Are there people who have supersu and custom kernels working for CM13 victara nightly ? If so, any suggestions for solving my problem ?

Thanks!

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