A twin-scroll turbo, on the other hand, is a single turbo that's designed to do that same job, with a body split into two such channels. There are several benefits to this arrangement over ...

Much of BMW's U.S. market lineup is making the switch to a 2011 model year designation early this spring with the highlight being a new version of the 3.0-liter inline-six cylinder engine dubbed N55.

This means that variable twin-scroll turbochargers could be feasible for use in a wide range of vehicles at a reasonable price point. Follow Motor Authority on Facebook , Twitter and YouTube . Tags: ...

A twin scroll turbocharger overcomes the drawbacks of a single scroll turbocharger by separating those cylinders whose exhaust gases interfere with each other. Read on to know more ...

Because they've managed to get the output of the single twin-scroll turbo to match the twin-turbo's at 300 horsepower, and just as much torque at 300 pound-feet, but it does it 100 rpm earlier.

BorgWarner: Used across a wide range of BMW passenger cars, the engine has two performance options – medium and high – and delivers 250 to 280 kW of power and 500 to 550 Nm of torque.