Post up the modded splash and pointers and I'll see if I can have a go. (no guarantees though )

Modding the already modded map disc will not alter the working of the map disc as you will just be adding the cameras directly to the DB, all other POI will still work as is.

BTW, turning the voice alert on/off is not an option, it's either on or off, you can switch lanugages and this will effectively turn on/off the alert, but this also effects other things in the car.

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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.