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      11-21-2012, 02:27 PM   #1
LucWerkz
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Noise changes past 70k miles?

I have a little over 72,000 miles on my M3 and lately I've started to notice that it sounds a little different at past 4k rpms. It went from a deep sound to a higher pitch sound almost italian like. Is this something I should worry about? Is my engine going to blow up? *knocks on wood* Car drives just fine, no other weird noises. Almost as if I just changed the muffler.

Also I have the OEM perf pipes mod. No engine mods and stock airbox, cats, and resonators.
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      11-21-2012, 02:30 PM   #2
S65NAPWR
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Bring it to a trusted BMW shop to see if they think there's something wrong.
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      11-21-2012, 05:09 PM   #3
gatorfast
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Prob means your engine will blow up
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      11-22-2012, 08:03 AM   #4
MKE_M3
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Tough to say based on your input, but likely just the exhaust being more broken in.
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      11-22-2012, 08:29 AM   #5
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My car does change its engine note around 4k at full throttle when its cold weather.
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      11-24-2012, 05:32 PM   #6
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Quote:
Originally Posted by gatorfast View Post
Prob means your engine will blow up
rofl
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