<Tr> <Th> Predecessor </Th> <Td> BMW New Class </Td> </Tr> <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>

When did bmw 5 series change body style