“Recently (2012) BMW has introduced a range between the 'M'-Sport equipped standard vehicles and the fully fledged 'M' cars, which was branded as the 'M' Performance range (which shares the name of a range of after-market accessories). Although not directly confirmed, the lineup would appear to compete with Audi's' 'S' models.
To date this includes the M550dx in touring and saloon variants, the X6 M50d and X5 M50d”
我只知道BMW M GmbH也就是原廠旗下的M公司 專門製作M Power Cars M公司旗下還有一個子部門也就是M Performance X5 M50d,M550d,M135i等 都是有經過M公司調校測試的 M235i甚至還推出了賽道專用的M235i Racing Version 這幾輛都是貨真價實的M Performance Models
M Sport Package是在製作車子之前決定好再生產 M Performance Kit套件則是在普通車款生產之後再繼續加裝升級 加裝M Performance Kit套件 和 原本就是M Performance車款 是完全不同的兩個概念