I have the same connections in the back, which i actually kind of preferred (i have an intravee also in the rear), as i used those rear connections to listen to music and to watch video as well on a recent road trip we had.
i connected my 80gig ipod to it, with the appropriate video connectors/cables, and we managed to get in a couple of movies on the road trip
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The Wife: 2002 X5 4.4iS | White on Beige | Sport Seats | Woodgrain | Nav/TV | Intravee
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The Mistress: 1997 323i | 2.8 Turbo | ITB's | MoTeC | Stripped Interior | Sparco Seats | 6pt Cage | LSD | 17" M Contours | M3 'box
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The Slapper: 1982 323i Motorsport | Factory Recaros | LSD | Roof | Motorsport Front Bar | 15" Minilite Reps (Sold!)