Not seen a procedure mate, but I dont think you can, there is no export in poison so you can't use poison to do it.

Just download a new set of POI and go from there.

if you mean the non alert PO, then the easy way is to copy the 2x db from the new disc and drop them in the old disc, you loose the new poi, but it does work.

I always make a new disc from scratch when I get the new one.

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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.