Does Engine Noise Change Over time?

Abran_tasrif · 08-09-2021, 03:58 AM

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I have a 2020 F90 M5. DME Stage 2 Tune, SSR Catless Downpipes, Dinan X Midpipe.

I got this car w 0 mileage and installed all the performance mods at 1500 miles so I knew how it sounded than.

Now I have 22,000 miles and at low RPMs I hear a different noise, like its more "deep" or heavy. Its nothing bad, it sounded more "light" and smooth in low rpms before. High RPMs sound same. Exhaust sounds same. Its more of a engine noise that is deeper.

Could there be something I need to worry about?
All maintainance are done on time, new spark plugs recently changed, oil change every 5,000 miles instead of 9,000 as BMW says. Vehicle checked very well. Everything looks good

zdbmw · 08-10-2021, 02:44 PM

Yes, exhaust tone changes over time on brand new cars/exhausts.
Its normal, happened to me too. I have a full remus exhaust with catless downpipes. I like it more now, tbh

I'm not 100% sure what causes it, but I guess it is because of the pipes settling/breaking-in

shoei · 08-10-2021, 03:05 PM

Nah what the above guy said. Normal it will get "louder" as you break it in. If you change your midpipes, downpipes, exhaust? Same thing, process starts over, couple thousand miles or so (depending on usage, ambient temps, the way it's driven etc) for the break in so to speak.

Even if you change the intakes, there will be adjustment period with sensors, CPU's et all.

Just enjoy getting to the final sound!!

Aronis · 08-10-2021, 04:38 PM

That sound is the sound of your warranty burning up.....JK......agree with above...changes with time....sounds good at any age.

Mike

zdbmw · 08-11-2021, 02:20 PM

Quote:

Originally Posted by Aronis

That sound is the sound of your warranty burning up.....JK......agree with above...changes with time....sounds good at any age.

Mike

Lol

AHall · 08-11-2021, 02:41 PM

So what is the change? Is it louder, quieter, deeper?

Abran_tasrif · 08-11-2021, 02:42 PM

Quote:

Originally Posted by AHall

So what is the change? Is it louder, quieter, deeper?

Deeper

AHall · 08-11-2021, 02:44 PM

Quote:

Originally Posted by Abran_tasrif

Quote:

Originally Posted by AHall

So what is the change? Is it louder, quieter, deeper?

Deeper

Like Danny Zuko said, "That could be cool".

08-09-2021, 03:58 AM	#1
Abran_tasrif Private First Class 59 Rep 173 Posts Drives: 2020 BMW M5 Join Date: Jun 2017 Location: Queens, NEW YORK iTrader: (0)	Does Engine Noise Change Over time? Featured on BIMMERPOST.com I have a 2020 F90 M5. DME Stage 2 Tune, SSR Catless Downpipes, Dinan X Midpipe. I got this car w 0 mileage and installed all the performance mods at 1500 miles so I knew how it sounded than. Now I have 22,000 miles and at low RPMs I hear a different noise, like its more "deep" or heavy. Its nothing bad, it sounded more "light" and smooth in low rpms before. High RPMs sound same. Exhaust sounds same. Its more of a engine noise that is deeper. Could there be something I need to worry about? All maintainance are done on time, new spark plugs recently changed, oil change every 5,000 miles instead of 9,000 as BMW says. Vehicle checked very well. Everything looks good
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08-10-2021, 02:44 PM	#2
zdbmw Z 46 Rep 131 Posts Drives: F90 M5 Join Date: May 2019 Location: Russia iTrader: (0)	Yes, exhaust tone changes over time on brand new cars/exhausts. Its normal, happened to me too. I have a full remus exhaust with catless downpipes. I like it more now, tbh I'm not 100% sure what causes it, but I guess it is because of the pipes settling/breaking-in
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08-10-2021, 03:05 PM	#3
shoei Banned 7779 Rep 2,602 Posts Drives: MW Vespa w/pink racing stripes Join Date: Nov 2007 Location: Peeing in your garden iTrader: (3)	Nah what the above guy said. Normal it will get "louder" as you break it in. If you change your midpipes, downpipes, exhaust? Same thing, process starts over, couple thousand miles or so (depending on usage, ambient temps, the way it's driven etc) for the break in so to speak. Even if you change the intakes, there will be adjustment period with sensors, CPU's et all. Just enjoy getting to the final sound!!
	Appreciate 1 Abran_tasrif58.50 Quote

08-10-2021, 04:38 PM	#4
Aronis Brigadier General 2270 Rep 3,295 Posts Drives: 2018 M5 Join Date: Aug 2016 Location: Binghamton, NY iTrader: (0)	That sound is the sound of your warranty burning up.....JK......agree with above...changes with time....sounds good at any age. Mike __________________ 2018 M5 and 2019 Porsche Boxster GTS Prior. '94 325is, '97 M3 Lux, '16 M2
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08-11-2021, 02:41 PM	#6
AHall Lieutenant Colonel 976 Rep 1,795 Posts Drives: 1993 Nissan 240sx Join Date: Oct 2008 Location: Frisco, Texas iTrader: (0)	So what is the change? Is it louder, quieter, deeper?
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