Quote:
Originally Posted by TerminatorX5
some TCU modules did not have BT even when BT info was printed on the label...
I have installed BT on '98 E39, 2002 and 2006 E53... I don't remember much about E39, it was gazillion years ago, but 2002 E53 needed a voice recognition dummy plug, but the 2006 did not need that dummy plug... maybe you need that dummy plug?
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TCUs from 10/04 and newer have BT. Mine's from late 05.
I checked the loopback connector and it's there, as is the antenna.
Anyone have a wiring diagram? I suppose I could at least check the connector and make sure that there's power there. Just because the fuses look OK, doesn't mean that something else has gone awry.