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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums AUSTRALIA Exhaust sounds better with age?

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      01-05-2021, 02:36 AM   #1
erawamai
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Exhaust sounds better with age?

Hi everyone.

I wondered if anyone had also experienced this or with other cars.

Just recently I noticed that the exhaust sounds a smidge more 'throaty' just over 3000 RPM. Sounds nice. I've done circa 9,500 km on my 330i.

It's only subtle and with the windows down but I've got a pretty good ear and it is different. Found my self driving around listening to it.
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      01-08-2021, 04:23 PM   #2
Wynnst0n
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Quote:
Originally Posted by erawamai View Post
Hi everyone.

I wondered if anyone had also experienced this or with other cars.

Just recently I noticed that the exhaust sounds a smidge more 'throaty' just over 3000 RPM. Sounds nice. I've done circa 9,500 km on my 330i.

It's only subtle and with the windows down but I've got a pretty good ear and it is different. Found my self driving around listening to it.
Exhausts do often change note with age, usually in the first 5-10k kms a it starts to carbon up. The layer of carbon buildup can reduce resonance.

Though, in your case, it might be that the second flap is opening up (the 330i has two pipes but one is often closed by a valve). It will do this in Sport/Sports Plus under certain conditions.
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      01-14-2021, 04:12 AM   #3
firetitanx
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Quote:
Originally Posted by erawamai View Post
Hi everyone.

I wondered if anyone had also experienced this or with other cars.

Just recently I noticed that the exhaust sounds a smidge more 'throaty' just over 3000 RPM. Sounds nice. I've done circa 9,500 km on my 330i.

It's only subtle and with the windows down but I've got a pretty good ear and it is different. Found my self driving around listening to it.
Quote:
Originally Posted by erawamai View Post
Hi everyone.

I wondered if anyone had also experienced this or with other cars.

Just recently I noticed that the exhaust sounds a smidge more 'throaty' just over 3000 RPM. Sounds nice. I've done circa 9,500 km on my 330i.

It's only subtle and with the windows down but I've got a pretty good ear and it is different. Found my self driving around listening to it.
Yup mine sounds louder after 10 000kms 😄👍
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      01-14-2021, 05:22 AM   #4
Ikester19
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Don't hear any difference after 12,000km
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      01-14-2021, 01:58 PM   #5
NoSUV4Me
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I think mine is quieter now...and very difficult to coax out some noises even in sport plus ☹️
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      01-27-2021, 11:11 PM   #6
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Quote:
Originally Posted by erawamai View Post
Hi everyone.

I wondered if anyone had also experienced this or with other cars.

Just recently I noticed that the exhaust sounds a smidge more 'throaty' just over 3000 RPM. Sounds nice. I've done circa 9,500 km on my 330i.

It's only subtle and with the windows down but I've got a pretty good ear and it is different. Found my self driving around listening to it.
hard to tell...the environment you are in makes a difference. Narrow streets with higher buildings are good.
I think my M340i does sound better after 15000k, but it's like most sound..we all hear differently
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