The BMW SIB is similar to jack5's method to access the service menu.

See this document. You are following the instructions for the MOST bus, near the end of the document.

I haven't tried it myself yet on my E60 but may get time later today.

Good luck.

Jeff

Attached Images

BMW radio service mode.pdf (17.8 KB, 666 views)

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue