05-01-2019, 06:11 PM | #1 |
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2020 M340i with 600 miles - exhaust got quieter?
My last car was a non-MPPSK F30 340i.
When I picked my M340i up 2 weeks ago, the exhaust impressed me a lot. In Sport+ there were nice bangs on upshifts around 4-5k RPM and much louder burbles and pops than my last car. At around 400 miles these exhaust characteristics have disappeared completely. Now the car sounds like an F30 340i when I let off the throttle, burbles are very quiet and muddy When the engine is cold the exhaust goes back to sounding good, but within minutes the engine warms and the burbles and upshift bangs disappear completely. Anyone else with a couple hundred miles on their M340i observed the same thing? I remember my F30 340i was usually slightly louder burble-wise when it was cold, although I don't recall the exhaust characteristics changing significantly in the first 600 miles. 5/6 update: I'm now at 900 miles. Been filling up with 93 at no-name gas stations but finally put a tank of Shell "V-power nitro+" (wow that's a lot of words) in my car. It sounds awesome, much more burbles. Last edited by RPM1123; 05-06-2019 at 08:35 PM.. |
05-01-2019, 06:31 PM | #2 | |
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05-01-2019, 06:33 PM | #3 |
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Wow. I figured it would get deeper after break in...
Can you make a video??
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05-01-2019, 07:14 PM | #4 |
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My 340i with 3K miles got louder and more burbles. Although I have MPSSK and 6MT
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05-01-2019, 07:41 PM | #5 | |
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05-01-2019, 10:27 PM | #6 |
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Are you using the same gas station? I've found that certain brands make my exhaust pop a lot more.
Also I wonder if resetting driving adaption is still a thing on G20. |
05-01-2019, 11:01 PM | #7 | |
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I switched myself to a guest user, which I imagine resets the driving adaption settings? This had no effect. |
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05-01-2019, 11:08 PM | #9 | |
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05-01-2019, 11:12 PM | #10 | |
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Unrelated - I used your EQ settings for 3.5 years in my last car (F30 w/HK), sounded excellent. Curious if a G20 is in your future as I'm interested to hear what you think about the sound system |
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05-02-2019, 09:18 AM | #11 | ||
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05-02-2019, 04:45 PM | #13 | ||||
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First Day w/ HK System https://f30.bimmerpost.com/forums/sh...d.php?t=954719
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05-02-2019, 05:31 PM | #15 | |
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05-02-2019, 05:51 PM | #16 | |||||
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///M3 2024 G80 Competition - Starting Lineup
///M4 2019 F82 Competition , 2019 G30 540i , 2008 E92 335i - Retired |
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05-02-2019, 05:52 PM | #17 | ||||||
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05-02-2019, 05:57 PM | #18 |
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05-02-2019, 06:01 PM | #19 |
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05-02-2019, 06:06 PM | #20 |
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That's awesome. I think I mentioned this in that thread, but that's what's cool about having a stock system... I can help people I never met improve theirs. 😎
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05-02-2019, 10:57 PM | #21 |
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05-03-2019, 01:29 PM | #22 |
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I’ve got 600 miles so far. You’re not going to get cool sounds unless you’re in sport mode or you floor it in comfort mode.
Try sport individual and downshift approaching a stop |
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