Car enthusiasts of a certain age may feel particularly dated by the following fact: the first two powerplants to mark BMW's mass-market adoption of twin-turbo engines are about to start turning 20.

BMWs have long been marketed as "the ultimate driving machines," and a big part of that appeal is the engines that sit under their hoods. Unlike brands that forge rich history with particular engine ...

I remember the shock, the screams, the pitchforks. It was 2007 and BMW just unveiled its first twin-turbocharged car ever, the N54-powered 335i. Local villages were being barbecued while BMW fans ...