Also, theres some sort of incompatibility between those two:
Water stream for U-boats v4 and NYGN HiRes Submarines 3.6F, meaning, whatever enabled first, disables the second.
Last easily noticed result: water streams visible but no exhaust fumes.
My current Mod GME list:
NYGM 2.5
3 NEW
3.6F
3rd Flotilla Mod
JCW Officer Icon
Anvart_Stiebler Turms R01R02
Merchant Fleet Mod 3.2
TMT (NYGM)
SH3 Commander updated for NYGM
Supplement to V16B1
Stiebler4C addon for V16B1
Stiebler4C SubsFlag
IABLShips for NYGM New Thomsen
NYGM HiRes Submarines 3.6F
Water stream for Uboats v4
Ahnenerbe WideGui 1920x1080 Final
Hope it's not too bad