I did mine and changed filter and sure turbo louder but didn't notice any extra power, lag or butt dyno results, but at our power level 5-10hp would be hard to tell
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2013 535i M, Carbon black 20' 6 M wheels, totaled.
2018 750M ,
2013 M5 , Individual Silver, Bolt ons-Straight piped
2019 M550 686BK Black Chrome 20"wheels, filters, Evolve Stage 1, Res delete
2024 i5 M60 Cape York Green
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