Verbatim DVD+R DL works for me but you need to burn at a very slow speed 1x or 2.4x, no more! Oh and Pimp my Nav works great on a 2009-1 disc to add my custom POI's.

Cheers,
Andy.

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Range Rover 4.4i V8 Vogue on Gas! BMW Mk4 Dvd Nav, BMW Bluetooth,
Aux Input, Digital Hybrid Tv Tuner, Dvd Changer & Headrest Screens