199 Euros: This is the clever interface that converts i-bus buttons to the tuners "remote" commands (I think).

Steuer- u. Freischaltungsinterface für BMW E38, E39, E46, X5 mit MK1-M


479 Euros: This is the DVT tuner and interface kit.

DVB-T Dual Tuner mit Steuerung für BMW E38 E39 E46 E53 X3 X5 - Home >

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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.