Stage 2 S58 High Performance Engine | BMW G8X M3/M4 xDrive

The CarBahn ST2 S58 engine is rated for up to 850 lb-ft of torque. It is designed to enhance durability for high-output tunes, making it an excellent alternative to an OEM factory remanufactured engine, especially if your original engine has failed and is no longer under warranty. Please note, the engine itself is not covered under warranty. We use high-quality racing components, including Carrillo connecting rods, forged CP pistons, high-performance valve springs, a high-performance head gasket, and cylinder head studs. The CarBahn S58 engine is both stronger and more affordable than the BMW OEM factory engine, making it the ideal choice for BMW S58 performance enthusiasts. Steve Dinan's engine shop, with 46 years of experience, has built engines that have won many championships, including three prototype racing championships and two overall wins in the 24 Hours of Daytona (2011-2013). You won’t find a higher-quality engine from any other BMW tuning company. All engines come with a two-year warranty. Experience the ultimate in S58 engine tuning with CarBahn. The CarBahn engine is both stronger and less expensive than the BMW OEM factory engine. The S58 CarBahn engine is designed to improve the strength of your engine if you are tuning your car. Connecting rods are replaced with Carrillo forged racing rods. Pistons are CP forged racing pistons. The engine also comes with ported cylinder head and high-performance valve springs for ultra-high boost pressures. The engine is a complete overhaul with blue printing and balancing. This engine is designed for an increase in torque of 100% over stock. Steve Dinan’s engine shop has been building racing engines for 43 years. Those engines have won many championships including three prototype racing championships including 2 overall wins in the 24hrs of Daytona in 2011-2013. You will not find a higher quality engine. All engines are backed with a two-year warranty. Warranty & Additional Information Our engines are very strong and can often be very reliable even at power levels above what is recommended. The durability usually depends on the quality and the reliability of the tune and other aftermarket components added to the engine management system. Engines with CarBahn Software Tunes All engines listed with a stage number are designed to be road car engines and are covered for 2 years, 24,000 miles providing they have a CarBahn tune and there are no other parts on the car that have caused a premature failure. Engines with Another Company's Tune All engines listed with a stage number are designed to be road car engines and are covered are covered for 2 year, 24,000 miles providing they you stay under our recommended torque limits. Torque limits are indicated on our web site. Warranty does not cover failures from the tune or aftermarket fuel injection components that caused the failure. It is CarBahn full discretion to determine cause of failure. If Torque limit is exceeded the warranty is for materials and workmanship only. Racing Engines Racing engines are designed to be raced and are covered for materials and workmanship only. Racing engines should be rebuilt periodically based on run time or mileage. Warranty does not cover failures from the tune or aftermarket fuel injection components that caused the failure. It is CarBahn full discretion to determine cause of failure.