So, I've had this stupid noise at the back of my X5 for how many years since I've owned my 04 X5. Anyway, whenever I go over a bump or train tracks theres like this "click" noise. Its awful especially on those bad roads you can hear the click click click on the bumps. I had it at the dealer many times and thought the noise was under the car but I know its somewhere near the trunk. I had someone take the plastic trim around the glass on the inside at the trunk but still no fix has anyone had this problem???

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2004 White BMW X5 3.0i
2009 White Mercedes ML320 Bluetec
2004 White Ford F150 Lariat edition
2003 White Mercedes CLK320 convertible(sold)
2001 Gold Acura MDX(sold)