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Continue shoppingStage 1 S58 High Performance Engine | BMW F9X X3M/X4M
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Description
The CarBahn ST1 B30A S58 engine is rated for up to 650 lb-ft of torque. It is designed to improve durability for medium-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. We utilize high-quality racing components, including Carrillo connecting rods, forged CP pistons, high-performance valve springs, and a high-performance head gasket. This engine maintains the stock compression ratio, ensuring excellent drivability and fuel economy.