Over its 28 - year lifespan , the M30 was used in many BMW models .
The BMW M30 is a straight - 6 SOHC petrol engine which was produced from 1968 to 1994 .
Over BMW M30 's 28 - year lifespan , petrol engine BMW M30 was used in petrol engine BMW M30 models .
The BMW M30 is a straight - 6 SOHC petrol engine which was produced from 1968 to 1994 .