Thread: x6 subwoofer in seats
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      08-03-2009, 04:06 PM   #3
dmlgc
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Drives: 2022 BMW X6MC - 335D
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Quote:
Originally Posted by slednexx View Post
how can i be sure that they work?
any ideas?
carefully slide a piece of cardboard under the seat and see if it sounds any different ?
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