Quote:
Originally Posted by Canonite
Do you have the BM54 amp too? Mk4 won’t work fully without it
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The BMW MK4 navigation computer is a direct swap for the Rover unit and will work fine with the existing Highline kit as-is.
If you upgrade to the widescreen Bordmonitor, although the cassette version is plug-and-play, the CD and MiniDisc versions do require the BM54 to function.