Grassroots Motorsports E30 318iS Project - What's Up with the Engine?

You don’t need to own a top-level performance model to have a reliable car that can keep up with one. Underneath the wide arches and carbon bodywork is often a platform shared with every variant on the model line and heavily related to others from the same manufacturer. Standardized parts keep...

BMW’s 4th generation M3 has almost all the best traits of highly desirable enthusiast cars. Even as early examples approach 15 years of age (at the time of writing), their value has remained relatively stable, thanks to their unique offerings. But with that uniqueness comes bespoke parts...

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Injector replacement is part of owning an N54 powered BMW. The Autel MX808 makes the calibration process of your new fuel injectors a little easier with no special software necessary.  Calibrating the flow rates for direct injectors is a requirement on some vehicles when installing new injectors....

BMW’s N55 engine was the Bavarian’s powerhouse of the 2010s and has since become a tuner’s delight. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the screaming,...

Today’s performance SUVs and sedans have become a bit shouty about their purpose. Whether brightly colored accents, enormous calipers, or aerodynamic elements, they’re not very “under the radar.” But if you look beyond those models, or rather, below them, you can find a surprising crop of...

The inline-six engine has been a staple in BMWs since its introduction, and few have commanded more respect and admiration than the S54B32 found in the E46 M3, among others. The high-strung, naturally aspirated mill screams motorsports pedigree at rest and shrieks its way to a 7900 rpm red line...

One of the most universal experiences as a car owner is paying for fuel. Whether that be electricity, gasoline, diesel, or yesterday’s fry oil, there’ll always be complaints about the cost unless it were free. Because of a changing climate, we now have a large offering of vehicles that, with the...

The ’90s were a radical time for automakers and car enthusiasts. New technology and advancements in assembly materials made going faster, easier, and safer than ever before. Automakers began experimenting with these new technologies and creating prototypes, test beds, and even complete driving...

Owning a car that gets around 30mpg on the highway is pretty standard these days. Just about every sedan and CUV can hit that, not to mention some sports cars. Global emissions have forced manufacturers to hit those numbers, and there have been a lot of benefits. Better than any other, it allows...