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BMW 3-Series (E90 E92) Forum
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420D B47 rough idle?
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| 01-20-2026, 10:03 AM | #1 |
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420D B47 rough idle?
[ATTACH]undefined[/ATTACH]Hi
I am new to posting on here so don’t know if this is the wrong place or what Just looking for some advice 420D 2017 B47 auto is loud and rough when it’s idling, even loud in the cabin. Recently had the exhaust flexi replaced as it had a blow and the DPF clamp replaced as it was hanging down. So not sure if it is related to that The shifting gears is rough but it’s in for a service this week Hoping I’m not just being stupid I’ve attached some clips or tried to! Any advice would be great [ATTACH]undefined[/ATTACH] [ATTACH]undefined[/ATTACH] [ATTACH]undefined[/ATTACH] Last edited by sofiadel; 01-20-2026 at 10:06 AM.. Reason: videos |
| 01-22-2026, 12:07 PM | #3 |
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This sub forum only covers the older E9X generation 3 Series, we never got that engine so you won't get much help in here.
You need this sub forum >>> https://f30.bimmerpost.com/forums/fo...play.php?f=412
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