I have tried a couple and none have large enough openings for the 550's stock pipes. I gave up after a couple months of sending pics of measuring tape showing the width of exhaust. Some changed their listings after showing them pics or returning the diffusers.
You can always buy BMW's for $1200 I think.
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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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