I went with Dinan Stage 1 and now am upgrading to Dinan Stage 2 this week. Will let you know how it goes but the stage 1 definitely made a difference from the OEM vehicle. No problems what so ever. More later when I get my car back.
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'22 BMW M4 Comp (SSG/Black)
'16 BMW M4 (Shakir Orange/Black) - gone not forgotten
'15 BMW M3 (Black/Black) - gone not forgotten
'10 BMW X5M (Black/Black) - gone not forgotten
'08 BMW M3 (Space Gray/Black) - gone not forgotten
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