12-04-2023, 07:31 AM | #1 |
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Air releasing noise
I知 a new owner of G20 330i LCI and just had a quick question for the current owners. For the first time I drove in S and Manual mode after getting the car up to operating temperature tonight but keeping it under 4000rpm as I知 still running in the engine, and heard this sound of air releasing only when I manually upshift the gears - I think it was also there on Manual Comfort mode with the driver side window down. On searching the forum it looks like there is no blow off valve in the car. I was wondering what it might be. It sounded cool though.
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12-05-2023, 02:15 PM | #2 |
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Is it just the intake noise? There is a distinct noise that I think is actually just part of the ASD - https://en.m.wikipedia.org/wiki/Active_sound_design
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12-05-2023, 06:09 PM | #3 | |
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12-05-2023, 08:36 PM | #4 |
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Yep it's basically fake noise internal and external to the car. It definitely has an induction noise on acceleration, not so much on gear changes that I've noticed. I'll give it a go in my car and see if I can hear anything that sounds like a BOV.
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12-06-2023, 01:42 AM | #5 |
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[QUOTE=AustraliaG20;30710576]Yep it's basically fake noise internal and external to the car. It definitely has an induction noise on acceleration, not so much on gear changes that I've noticed. I'll give it a go in my car and see if I can hear anything that sounds like a BOV.
Thanks very much for that 🙏 I値l try recording it tomorrow night as well and see if I can upload it here. It probably is induction noise like you said - it wasn稚 as pronounced as BOV but I could hear it as I was accelerating and upshifting manually in S mode. It sounded like a normal operational noise. |
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