The BMW 335i E90 has quietly shifted from risky tuner temptation to one of the most compelling $10,000 performance buys, provided the right homework is done. With its twin-turbo N54 engine, the car ...
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.