The BMW M57 is an awesome, reliable engine, and one you generally can't go wrong with. That said, you'll want to know what model years to seek out and avoid.

Both the BMW M57 engine and Audi's 3.0-liter V6 are excellent performers, whether you choose to leave the engine stock or modify it. Ultimately, there's greater potential in the Audi 3.0-liter units.

The BMW M57 is an awesome engine, and one you generally can't go wrong with. That said, you'll want to know what model years to seek out and avoid.