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      01-16-2022, 12:21 PM   #2
iamroddy
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Drives: 128i
Join Date: Sep 2020
Location: 613

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I would have a good look first. Pull out the trim/panels inside the trunk, and take a friend with you to the coin-op car wash. Get in the car, drop the rear seat backs, and watch for water. Have friend spray high pressure around trunk lid, tail lights, rear inner fenders, and all the way around inside the bottom of the bumper cover. If there's a leak, that should show you where it is.
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