Beneath its silky performance and award-winning design, the BMW B58 engine hides a few expensive secrets. From high-pressure fuel systems to complicated cooling architecture, this analysis exposes ...

Like it or not, after fifteen years of inline-sixes in the M3, the time has come to move on. The E92 M3 needs to compete against the 420-hp Audi RS4, so it needs more than the previous M3's 3.2 liters ...