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The B58 engine is BMW’s award-winning inline-six powerplant, celebrated for its smooth performance, impressive horsepower, and modern engineering. Built with a closed-deck aluminum block, the B58 delivers excellent strength while remaining lightweight and efficient. Its single twin-scroll turbocharger provides quick spool and strong torque across the RPM range. Whether found in the BMW 340i, 540i, or Toyota Supra, the B58 engine offers exceptional reliability, refinement, and tuning potential, making it one of the most respected modern performance engines. Renowned for blending power and efficiency, the B58 engine represents BMW’s next-generation turbocharged technology. This inline-six features direct injection, variable valve timing, and an integrated water-to-air intercooler for improved thermal management. The B58 engine produces smooth, linear acceleration with strong low-end torque, making it ideal for both spirited driving and everyday use. Its robust design allows it to handle performance upgrades with ease, earning praise from enthusiasts and tuners worldwide.