Few mechanical creations in the complex vocabulary of automotive creativity inspire awe like the BMW N55 engine . It is a precisely calibrated representation of engineering philosophy and mechanical grace, not just a unit of motion. BMW's quest for excellence is embodied in the N55, which comes from...

The 68RFE transmission does more than just show up in the constantly changing language of powertrain architecture; it makes an impression, leaving a lasting echo rather than a passing whisper in the sacred halls of diesel torque mastery. This gearbox, which Chrysler debuted in 2007, was a completely...