BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - Bmw 435i rattle from rear on cold start, exhaust or other component?

brigade24 · 03-10-2021, 10:11 AM

that exhaust flap has this ghetto pin that connects it to the module...it tends to fall out causing an "unhinging" of the flap from the module and it makes an inconsistent rattling noise...i wonder if that's it. mine would rattle at idle but once i would start moving it would stop

03-10-2021, 10:11 AM	#6
brigade24 First Lieutenant 156 Rep 320 Posts Drives: 2013 335 X-dive Join Date: Jun 2018 Location: Canada iTrader: (0)	that exhaust flap has this ghetto pin that connects it to the module...it tends to fall out causing an "unhinging" of the flap from the module and it makes an inconsistent rattling noise...i wonder if that's it. mine would rattle at idle but once i would start moving it would stop Last edited by brigade24; 03-10-2021 at 10:13 AM.. Reason: claritin clarity
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