Time to put our BMW Z3M Coupe with the legendary S54 engine on the dyno! How much power is it really making after all these years? We reveal real-world horsepower and torque figures, and how they ...

What do you call an E86-generation Z4 Coupe with an S65 naturally-aspirated V8 engine and Z8 styling? Oletha is the answer you’re looking for, a bite-the-back-of-your-hand beautiful coupe that’s now ...

Smith Vehicle Engineering’s gorgeous Oletha Coupe from last year can now be ordered with a bespoke version of BMW’s beloved S54 six-cylinder engine. So far, the Oletha Coupe has been available solely ...

BMW has built some incredible engines over the decades and of them all, few would deny that the S54 which powered the E46 M3, Z3 M, M Coupe, and Z4 M was one of its very finest. In BMW M3 guise, the 3 ...