The N55B30 engine is one in a long line of BMW inline six-cylinder engines. It replaced the N54, a wildly popular engine known for its potential for big horsepower. Like its predecessor, the N55 is...
The long-roofed sedan was the American family's transport of choice for many years. Better known as a wagon, the decade and a half following the oil crisis forced the hatch-bearing body into a running joke thanks to the soul-crushing designs of the malaise era. It was a paradigm shift that the...
BMW has always done a good job with its oil scavenging system while retaining the wet sump setup on BMW M cars, and the S55 is no different. While the S55 engine shares a lot of its basic engine block architecture with the non-M N55 engine, it uses an entirely different oiling system, which does...
BMW, the Ultimate Driving Machine. For decades BMW has been synonymous with selling sporty sedans and coupes that tread a fine line between luxury, performance, and practicality. No BMWs have combined those traits better than those sporting the now-iconic ‘M’ badge. BMW has built the legacy and...
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...
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....
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...
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...
BMW’s high-performance nature means that every one of their engines is built with strict tolerances. In the more mechanical days, engine builders carefully measured their clearances to get them right and knew the correct tolerances via a book. Nowadays, BMW publishes engine clearances and...
It’s no secret that we in the US have missed out on more than a few great models over the years. Emissions and crash safety regulations have played spoiler to many, leaving us no choice but to sit and wait for the 25-year import rule to roll around. Now, for an entire generation who grew up on...
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