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Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications I want to add some noise to the 330i

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      04-12-2021, 05:29 PM   #23
Davg31
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Quote:
Originally Posted by dave72 View Post
I made a cut-out and gives a nice deep sound, can do it on-off. And I still have the original muffer

Do you have a sound file?
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      08-31-2023, 09:32 AM   #24
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Originally Posted by lakers2426 View Post
Remove the resonator and code sports plus. Pops and burbles a lot, almost as much as a b58 when in sports plus. Exhaust sound is maybe a bit louder in a subtle way but not much, drone increase is very little and worth it. I believe sports plus opens the exhaust flap.

If you want a big difference your probably gonna have to spend big money on an after market exhaust, or at the very least remove the muffler, which might sound a little cheap, but not sure as I have never heard it.
Resonator or OPF?
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      10-13-2023, 01:35 PM   #25
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Originally Posted by 330i-M-sport View Post
Resonator or OPF?
Wondering the same.. I would think removing the OPF creates such a pressure difference that the car notices and throws a CEL, but I might be completely wrong also
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      10-16-2023, 08:59 AM   #26
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AWE track edition exhaust is around your budget. Doesn’t alter emissions at all
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      10-16-2023, 01:37 PM   #27
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I would suggest the AWE touring. Very subtle, but gives it a nice tone!
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      11-22-2023, 11:41 AM   #28
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Originally Posted by franky818 View Post
So I did resonator delete but it's not that noticeable other than some noticeable pops at 4000rpm .... any rec? Should I do a muffler delete or order a catted/catless down pipe? Thanks in advance !
Out of interest is the res delete creating drone in the cabin?

And by res delete did you take this one out circled in the blue.
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