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if you want to get scientific: take two iPhones, set the alarm at full volume on one, set it off and then place it 1m from the X3 on the ground. Get in, close the door and record the decibel level with an app on the 2nd iPhone. Repeat with the first iPhone at the front, back etc. Then find someone on this forum to do the same thing and compare readings. I'm happy to try for you but the wife is away with the 2nd iPhone at the moment
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F25 xDrive20d SE __ professional multimedia package | dynamic package | climate package | 309s | xline | xenons | electric seats | folding mirrors | business speakers |