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2021 M340i vs 2020 M340i Exhaust Comparison Shows 2021 Sounds Different
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11-02-2020, 06:31 AM
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cnichols138
X3M Comp is a beast
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Drives: 2022 BMW X3M Comp
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My car is a March 2019 build I swear I have more pops and bangs than other future builds on the M340. One article said it was because I have the original tune....then they detuned. No real proof but I get crazy pops with stock exhaust.
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