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I'm also in the Bay and would like to know what you guys come up with. I recall test driving a 2019 m850i at SF BMW and it sounded great, when I bought a 2019 m850i from a different dealer I noticed it didn't sound as great as the one in SF. And after updates pushed it doesn't sound cool on remote start anymore... I have CPO warranty still. Curious if res delete with x pipe or straight is better. I just want it 20 to 30% more louder and aggressive in sport. While staying humble in eco mode.
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