I have the I-drive in my 335 and a Garmin Nuvi 660 in my e46 330. The
Garmin is by far, the better of the two systems. Try doing a POI search
with the I-drive...it takes much longer. Try finding Pep Boys or Autozone...
I couldn't. If BMW could only fix the POI search by just spelling out the
name and not catagorizing it, it would work much better. The I-drive's
other functions other than the nav, works okay.