There must be a big variation in tolerances between either vehicles, downpipes, or a combination of both. I installed the same dps on my car a few months ago and have had zero issues with clearance or rattle. Didn't need to remove any shields or bolts/nuts.
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335is/DCT-M3 GTS software-M3 drivetrain-M3 GWS-KOMBI-DSC-SZL/MHD/BQ Tuning IG@ClustersandCoding
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