Originally Posted by c1apton
If I'm not mistaken, your antenna splitter is in your drivers' side rear post (rear left pillar) I'ld check w/BMW or someone who speacializes w/car stereos to be sure. Your actual antenna is the stripes across your rear window parrallel w/ rear window defrost lines. Some window tints with metallic layers will fluctuate your radio signals and the splitters are known to come loose on occassion - somethings you might check
I have a convertible so the antenna is not in the window, when we got the new radio, it came with the cluster, antenna, and weather band, all cut off, so we know we should have the other wire, but can't find it. Tks.