How to get more raspy exhaust sound from 2.5?

detch

Member
Hi,

So I bought my Z4 with rear muffler delete.
The sound was loud, but a bit too brutal, too much drone.
I replaced it with a sport exhaust which made things better.

But I miss a typical BMW metallic raspy sound.

I was searching for this sound and I found this: https://youtube.com/shorts/LH5jZBj56ME?si=TaNccmb4v4PvQ7Uz
Yes I know it's an E39 and b30. But maybe you guys know what's the secret sauce of this exhaust? And can I replicate it somehow on my M54B25 Z4?
 
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