Update from 7.0 to 8.0 without Full Wipe possible? - Samsung Galaxy S8 Questions and Answers

Hey guys,
I'm on BatManRom 1.5.0 (Android 7.0) and want to update to 8.0 but without wiping everything. Is that possible?
I know I have to update BL and CP.
How can I do that? What do I have to wipe in TWRP?
Greez, skrippi
PS: THis is the ROM:
https://forum.xda-developers.com/ga...ce-development/rom-batman-rom-v1-1-1-t3636744

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Fabionos said:
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