650 to m6 conversion.
I am scoping out the same project for my 2014 650ix gran coupe. The part that has me confused is the piece that connects the new rear bumper cover part number 51128052677 to the underside of the car. I think it is part number 51127223162. Or is it part number 51128055373. ($1000.00) Is there a non carbon fiber piece?
I am ok with the mufflers. I see that M5 or M6 will do the trick.
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