Inventory default limit is 150 (warning showing when you have 135 items and most times in mission there will be plenty more items so you would reach limit so to take new items you would be forced to reduce items to omnigel )
Mod options:
-limit increased to 300 items (warning at 250 items ) - this is value what is default in Legendary Edition of Mass Effect
-limit increased to 500 items (warning at 425 items )
-limit increased to 600 items (warning at 500 items )
-limit increased to 750 items (warning at 625 items )
-limit increased to 999 items (warning at 850 items )
-limit increased to 2500 items (warning at 2325 items )
-limit increased to 5000 items (warning at 4800 items )
-limit increased to 9999 items (warning at 9750 items )

INSTALLATION
Download one version and unpack and move file to C:\Users\<user_name>\Documents\BioWare\Mass Effect\Config and click yes to override it when prompt. Before that I suggest you to make backup - in folder above find BIOParty.ini and copy it to another folder.

UNINSTALL:
Move your BIOParty.ini from backup to C:\Users\<user_name>\Documents\BioWare\Mass Effect\Config and click yes to override it when prompt.

ACKNOWLEDGEMENTS / CREDITS
Kudos for all folks who first found and share what commands and values in Coalesced files do specific things.