Introduction

In the world of cars, there are some things that you just don’t do. Engineering a four-cylinder Corvette or affixing a RAM badge to an F-150 just shouldn't be done. They’re acts of sacrilege, much like placing a diesel engine in the most popular sport sedan in the land, the BMW 3 Series. On the surface, not only would news of such a blasphemous deed have brand loyalists burning rubber to their nearest houses of worship, it would also appear to be the baddest of all bad ideas.

And then you drive one. Armageddon is rescheduled, and all seems right with the universe again. Better than right actually, as the 2010 BMW 335d proves that ultimate driving and noteworthy – and clean – fuel efficiency can come together in one helluva four-wheeled experience.