The sturdy design and outstanding boost-handling ability of the BMW S55 engine gained it the title of favorite among tuners. Its dual mono-scroll turbochargers, sophisticated cooling systems, and forged crankshaft enable remarkable power increases with comparatively easy upgrades. The S55 responds exceptionally well while retaining factory-like precision, from ECU tune to bolt-ons.

The BMW S55 engine offers exceptional consistency and accurate throttle control on both the road and the racetrack in addition to its sheer power. Given the rigorous performance requirements set on it, many enthusiasts commend its dependability. The S55 offers the perfect basis for customization, whether you're looking for builds with 500–700 horsepower or desire sharper drivability.