We recently discussed diesel programmers and the role they play in our pursuit of higher performance. Although the OBD-II-driven devices have many different functions, changing the parameters in a ...

BMW’s N55 engine was a remarkable achievement, even for a company as adept as building engines and cars as BMW. The first BMW engine to combine turbocharging, direct injection, Valvetronic and ...

In the March issue we tackled some common and not-so-common power adders for the S50 3.0 and S52 3.2 motors found in '95-99 BMW E36 M3s (and some first-generation Z3 M Roadsters). We followed that in ...

Hot rod engine tuning can now live in your trouser pocket, or wherever else you may keep your smart phone. It was twenty years ago when we first saw a hot rod tuner change the idle speed on a Mustang ...

Tuning is the origin of hot rodding. Back in the day, Pontiac owners with a taste for performance would dial in their cars' air/fuel ratios and timing among other things to squeeze a few more ponies ...

After military service a career as war correspondent was on the cards. But then an exclusive bursar programme in automotive journalism came 'a-knockin' - and so a 26-year journey spanning newspapers, ...

The range of aftermarket engine tuning available to enthusiasts is incredibly wide, and we all have our own favorite car mods. When it comes to engine computer software, modern fuel injection has made ...

For many cars, their real life doesn't begin at the factory, but at the moment they roll off the dealership lot, and into the hands of an owner. For car enthusiasts, modification is a cornerstone of ...

As the fallout continues from the emissions scandal engulfing Volkswagen, the car maker has said it will make its vehicles meet the United States emissions standards. But why did the German car maker ...