Originally Posted by alexwhittemore
Hey Snoozee, you say your car didn't come prewired, what are you driving? I suspect my late 09 328i is also NOT prewired (though it DOES have the MULF2 high). Where did you get the mic cable?
late 2009 E90 LCI.
mic wire is just normal 2 core wire which i ran from the FZD to the trunk. it might be better to use 2 core wire with shielding as this is what BMW used for the original harness.