Like many of us, I had a NO reception problem with XM radio. And like many of you, I got tired of hearing just about every dealer tell me, "We've never heard of that before, gee bring it in several times and we'll see if we can trial & error it to a fix." I purchased an after market XM antenna for $32.00 from Amazon. Unplugged the OEM (pink) antenna cable and this aftermarket plugged right into the OEM slot. Attached antenna under tail rack as in picture with two way tape...and TA DA! Works great regardless of direction riding, degree of windshield elevation or comments from far away dealers (yes I am ranting some). The $32 paid for this is what it cost me in gas for one trip to dealer, so I am ahead as it would have taken multiple trips to solve this problem...at least when using BMW's protocol. My video would not load, but here's a pix of where I mounted antenna.
Let me add, if using a top box or other potential covering over any area where mounted, there's a good chance such covering will cause interference.
Let me add, if using a top box or other potential covering over any area where mounted, there's a good chance such covering will cause interference.
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