For many performance car manufacturers, there is one style of engine that they are most closely tied to; for Porsche, it is a Flat-6, with Ferrari a V12, and for BMW, since the 1930s, that motor has been the Inline-6. As technology advanced, the engine was improved and refined with every subsequent generation, and at numerous points, an inline-6 powered nearly every car in the brand’s lineup. When people talk about the peak of BMW’s inline-6 development, the S54 developed for the E46 M3 comes up frequently. A supremely flexible engine, the S54 offers fantastic in-town usability, but when you get on it, it will rev to the stratosphere and both sound and feel like a race car while you’re doing it.

This example was built in April 2004 and began its enthusiast owned journey in New Hampshire where it spent its life until we sourced back in 2012. Since then we've continued to preserve it and offer it to enthusiasts who appreciate the rarity of finding a stock LSB late model M3. The exterior of the vehicle shows incredibly well for the mileage and age with very minimal blemishes. This level of quality is followed into the interior where the Grey leather is free of any staining, creases, or wear. The satin finish is still in tact and it's easy to feel like you've been transported back to 2004 when you're behind the wheel.

Without a doubt, the S54 found in the E46 M3 is one of the best inline-6s ever produced by BMW. With dual overhead cams, individual throttle bodies, and VANOS on the intake and exhaust cams, the S54 feels like a proper motorsport engine in the high revs, but that maintains the ability to be happily used around town as well. In this example, this is paired with a solid feeling 6-speed manual gearbox, which offers great shift action and is really the ultimate way to enjoy the sublime powerplant.