B58 ENGINE 

The B58 engine is BMW’s high-performance 3.0L turbocharged inline-6, renowned for its exceptional power delivery, reliability, and tuning potential. Featuring a closed-deck block, forged internals, and twin-scroll turbocharging, it delivers instant throttle response and smooth acceleration across the RPM range. With simple modifications, the B58 can achieve 400-500+ WHP, while built versions push 600-800+ WHP on stock internals—making it a favorite for tuners and enthusiasts. This engine powers popular models like the BMW 340i, M240i, Toyota Supra MK5, and X3/X4 M40i, offering versatility for swaps or upgrades. At our shop, every B58 undergoes rigorous testing (compression checks, leak-down, ECU diagnostics) to ensure peak condition before sale. We offer competitive pricing, fast U.S. shipping, and trusted quality, making it easy to own one of BMW’s most advanced engines. Whether you’re rebuilding, upgrading, or swapping, the B58 delivers unmatched power and engineering excellence.

High-performance BMW S55 Engines

The S55 engine is BMW M’s legendary 3.0L twin-turbo inline-6 from the F80 M3 and F82 M4, engineered for track dominance with everyday reliability. Featuring twin mono-scroll turbos, forged internals, and a closed-deck block, it delivers 425-450hp stock (tunable to 700+hp) with an exhilarating 8,500 RPM redline. Its race-bred cooling and overboost function ensure consistent performance, while meticulously balanced components provide silky-smooth power delivery. Ideal for M3/M4 replacements, classic BMW swaps (E30/E36/E46), or track builds, our fully tested S55 engines come with maintenance records, warranty options, and nationwide shipping. Experience BMW M’s ultimate turbocharged powerplant – a perfect blend of motorsport performance and street-ready durability.

N63 engine

The N63 engine is BMW’s high-performance 4.4L twin-turbo V8, delivering thrilling acceleration and refined power in models like the 550i, X5 50i, and 750i. Featuring an innovative hot-vee turbo layout (turbos mounted between cylinder banks), direct injection, and Valvetronic technology, it produces 400-445hp stock and 480 lb-ft of torque, with tuning potential reaching 600+hp. While early versions had some reliability concerns, the updated N63TU improved durability significantly. Our fully inspected N63 engines are perfect for replacements or high-power builds, offering tested turbos, competitive pricing, and ready-to-ship availability. Experience BMW’s perfect balance of brutal V8 power and precision engineering for your ultimate driving machine.