Thread: Only one of the mufflers seem to be working... Dumb question
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      01-07-2016, 06:40 AM   #12
5tony
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Drives: '21 M5/'15 X5 35i/'88 M3
Join Date: Jul 2010
Location: Atlanta

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I tried the golf tee mod on my N55 335i and it droned quite a bit. Has anyone done this on their X5 yet?
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