I went with the S&S Stealth Muscle cover after talking with S&S. Fairly easy install, no bending of anything to get it to fit. I did have to bore out the holes in the cover for the two posts to slide in easily; i did it in stages (a few thousandths at a time) so as to not bore out to much material. It comes with a plug to plug an unused hole but the plug they provided was the wrong size so a trip to the hardware store fixed that.

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It is easy to remove and clean and boy oh boy did it make a difference in how smooth the engine responds to a little gas pedal!

2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)