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      10-10-2016, 06:22 PM   #1
kdog26372
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Drives: 2015 M235xi BSM
Join Date: Apr 2011
Location: Chicago

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Exhaust Flap Rattle

So I noticed the last couple days with the windows rolled down and driving by parked cars or through tunnels a rattle from the exhaust. I read up on forum and doesn't appear N55 is prone to wastegate rattle, but some have talked of the exhaust flap that opens and closes on the drivers side causing noise.

I started car, took a flashlight under that side, touched the rod/pin on the right side of the exhaust where the flap is and the noise stopped. As soon as I took my finger off the rattle returned. I took a screwdriver and opened the flap and the noise stopped again.

Other than dealer visit, does anyone have a quick fix for this? I guess I could wedge some wire in there, but I don't want to break the thing either.
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'15 M235xi | BSM/Oyster/Aluminum | Black Kidneys | RW Carbon Mirror Caps | 40% tint
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