Yes, it will still work, if you want to use the DL 2009 image with the Sl disc, then just remove the unwanted languages and it will fit on a SL disc.

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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.