Where is everybody getting the idea that this is a $550 "kit" available for retrofit?
The article clear states that it is a Limited Performance Edition of the 335i Sedan, which means that you need to buy a new 335i Sedan to get it. And it's doubtful that the price for this "option" is only $550. This is probably bad information or a typo, just like the "0.02 second" gain in the 0-60 time. I'm guessing that it's at least $1,550 if not $2,550. The 335is Coupe is a $5,650 premium over a 335i Coupe with the M Sport Package. There's no way that BMW could offer a bump of 20HP and 32 ft./lbs. of torque at that price.
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The Coupe: 2016 M4 | Sakhir Orange | Black Full Merino Leather | CF Trim | M-DCT | More | ED 5/13/16
The Sedan: 2018 M3 | San Marino Blue | Black Full Merino Leather | CF Trim | M-DCT | ZCP | ED 7/18/18
The Roadster: 2006 Z4 | Interlagos Blue | Black Extended Nappa Leather | Carbon Leather Trim | Purchased 7/19/12
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