Learning about cars in under 60 seconds The S55 engine is BMW’s high-performance 3.0-liter twin-turbo inline-six, featured in models like the F80 M3, F82/F83 M4, and the F87 M2 Competition. But here’s the big question: Is it the ultimate engine for tuners, or does it come with some serious baggage? It’s essentially a more muscular version of the N55, designed to pack a punch. Right out of the factory, the S55 churns out between 425 and 493 horsepower depending on the model. Now, let's talk tunin

Stevens 56C .22 LR

Stephens Model 555

How the Springfield model 87a works.

Stevens Model 87A

Simple cleanup of an old Steven's 87A Pt.2