K1600 Option 719 stereo upgrade
Another GTL got a loud front, and besides that, a cool navigator in the form of a built-in phone. Now you can see traffic jams in real...
K1600 Option 719 stereo upgrade
GTL OPTION 719
Audio system upgrade on K1600 GT/GTL motorcycles
Which speakers and amplifier to choose?
Audio system upgrade on BMW K1600GTL motorcycle