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2Addicts | BMW 2-Series forum Technical Topics N20 (228i) / B46 (230i) Engine, Transmission, Exhaust, Tuning N20 - Timing Chain Whine or Something Else?

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      10-25-2020, 09:48 PM   #1
Alpine228
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N20 - Timing Chain Whine or Something Else?

2015 228i, 54k miles - oil changed every 3k since 45k

Started to hear this strange whine during acceleration... at first I thought it was my timing chain but if you watch the whole video, it almost sounds like it’s from the alternator.

The video is mostly 3-4K RPM but you can hear it as soon as you start to accelerate.

Any opinions?

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      10-28-2020, 04:36 PM   #2
ckyrules014
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Just took mine in for the same noise. I have a 2016 228i. I'll report back if they find the issue and fix it.
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      10-28-2020, 04:38 PM   #3
Alpine228
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Great, please let me know.

It’s strange that your 2016 would have the same noise as I thought they revised the guides in the beginning of 2015. Hopefully the sound isn’t the timing chain!
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      10-29-2020, 03:49 PM   #4
ckyrules014
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Just got my car back today and unfortunately they couldn't duplicate the issue so they didn't fix anything. Their techs couldn't hear the noise so they weren't able to pin point.
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      10-29-2020, 04:11 PM   #5
Alpine228
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EDIT: I got mine checked at the dealer and they said it sounded normal.

Last edited by Alpine228; 01-20-2022 at 10:45 PM..
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      10-06-2021, 03:30 PM   #6
flypenfly
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What do you guys think of this, pretty normal?

https://photos.app.goo.gl/CJ7DTyPwjVrVy5fXA
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      01-08-2022, 10:00 AM   #7
delvec03
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sounds pretty normal to me. 2015 n20 228i here. 92k milea
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