press menu, then set then look in the top right corner, it will say something 4-1/XX, or 3-1/XX

If you have a mk4 then the skies the limit for modding, pm me if you need help

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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.