<P> The BMW 5 Series is a mid-size luxury car manufactured by BMW since 1972 . It is the successor to the New Class Sedans and is currently in its seventh generation . </P> <P> Initially, the 5 Series was only available in a sedan body style . The wagon / estate body style (called "Touring") was added in 1991 and the 5 - door fastback (called "Gran Turismo") was added in 2009 . </P> <P> The first generation of 5 Series was powered by naturally aspirated inline - 4 and straight - 6 petrol engines . Following generations have been powered by inline - 4, straight - 6, V8 and V10 engines with both natural aspiration and turbocharging . Since 1982, diesel engines have been included in the 5 Series range . </P> <P> The 5 Series is BMW's second best - selling model after the 3 Series . On January 29, 2008, the 5 millionth 5 Series was manufactured, a 530d Saloon in Carbon Black Metallic . </P>

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