That's because, apart from motorbikes, BMW produced just two kinds of vehicles: small cars and luxury sedans -- or as one magazine put it: cars for laborers and CEOs. So the 1500 was aimed at the middle classes. Its four doors made it practical. Its 4-cylinder engine was thrifty, but still delivered 80 horsepower -- at an attractive price. Drive it! takes a trip back in time in a BMW 1500.