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[QUOTE=Logical;30809933]Im also into tuning does anyone know how easy/hard it is to swap downpipes?[/QUOTE
Maybe a little more difficult then other BMW downpipes. Keep in mind and do a little research that the factory downpipes are quite efficient and there have been several mid 10 second vehicles with stock downpipes and custom ethanol tunes. Even OTS can deliver high 10 second passes on ethanol with stock downpipes so decide what your after as always, sound or power! If it's sound then do a mid pipe and possibly a muffler but i just did an ER mid and it sounds great imo... and have it matched to an MHD tune. trucks a monster... glwd
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2020 X3M /// MHD Tune
Prior Bimmers
2017 240XI Hybrid / FBO / MHD E40
2015 235XI FBO / MHD E30
2009 335XI FBO / COBB / E30
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