A friend picked up a TCU off ebay with this build date thinking it would the newest version but it will not work in his 8/04 build X5 with Nav/DSP/Assist. Is there something he has to do? Install was simple but the activate phone screen doesn't come on and pushing the R/T button only shows Phonebook Empty on the MID.

Any ideas?

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2004 X5 4.8is - X-pipe! V1 hardwired, Invision DVD headrests, N62 Intermediate Levers Fixed! FOR SALE!!! Contact me if interested!

1999 LSB M Coupe - Heavily modified
2008 M5 Sepang/Portland - Bone stock
2010 Mini Cooper S Laurel Sport Edition #1/100
2002 525iTouring - Alpine/Beige