The BMW 340i B58 stands as a benchmark in the compact executive sedan segment, combining German engineering precision with dynamic driving pleasure. As the successor to the iconic B58 engine lineage, this model delivers refined power, cutting-edge technology, and a sporty yet comfortable ride that redefines what a 340i can achieve.
Powered by a turbocharged 2.0-liter inline-six (B58 engine), the 340i delivers 305 horsepower and 330 lb-ft of torque, offering responsive acceleration from 0 to 60 mph in just 6.3 seconds. Its advanced engine management system ensures smooth power delivery, while the adaptive suspension balances comfort and sportiness. Whether navigating city streets or winding roads, the B58’s driving dynamics blend precision and confidence, making every journey engaging and controlled.
Inside, the 340i B58 merges premium materials with intuitive tech. The cabin features a digitally styled instrument cluster, ambient lighting, and a 12.3-inch touchscreen paired with BMW’s intuitive iDrive 8 system. High-quality leather, wood trim, and meticulous attention to detail create a luxurious yet functional environment. Driver-assist features like adaptive cruise control, lane-keeping assist, and a 360-degree camera system enhance safety and convenience, ensuring comfort without compromise.
Despite its performance pedigree, the 340i B58 excels in efficiency, offering an estimated 27 city / 37 highway mpg combined—thanks to its lightweight design and turbocharged B58 engine. Fuel economy and responsiveness blend seamlessly, proving that power doesn’t require waste. The result is a car that delivers exhilarating performance without sacrificing practicality, ideal for daily commutes and weekend drives alike. With its refined B58 engine and driver-focused engineering, the BMW 340i B58 sets a new standard for compact luxury sedans.
The BMW 340i B58 is more than just a compact car—it’s a masterclass in merging performance, technology, and luxury. With its refined B58 engine, sophisticated interior, and intelligent driving dynamics, it delivers an unmatched experience that appeals to discerning drivers seeking both efficiency and excitement. For those craving a premium sedan with real-world practicality and sporting flair, the 340i B58 delivers on every front.
The BMW B58 is a turbocharged straight-six engine, which began production in 2015. [1] The B58 replaced the N55 and was launched in the F30 340i. [2] The B58 is part of BMW's modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.
[3] The B58 engine was named to Ward's World's 10 Best Engines five times, in 2016 (installed. Find the best BMW 3 Series 340i for sale near you. Every used car for sale comes with a free CARFAX Report.
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We analyze millions of used cars daily. The most cost-effective ways to own a BMW powered by the renowned B58 inline-six engine, exploring various models and years to find the best value. Learn about the BMW B58.
Frequently asked questions. B58 general info, maintenance, problems, tuning and more. BMW B58 240i, 340i, 440i FAQ.
The BMW B58 engine has developed a notorious reputation for reliability issues and premature failures ever since its introduction in 2015 across various BMW models. This 3.0-liter turbocharged straight-six is found in popular vehicles like the 340i, 540i, X3 M40i, and M240i, but it has presented frustrations for many owners dealing with oil leaks, turbo failures, carbon build up, and more. The BMW M340i (G20 generation) was introduced in 2019 as the high-performance variant of the 3 Series, replacing the previous 340i model.
Unlike the standard 330i, which uses the four-cylinder B48 engine, the M340i features the more powerful B58 inline. BMW 340i 2012-2018 3.0L Engine Specifications Detailed technical specifications and documentation for the 3.0L B58 turbocharged engine in the 2012-2018 BMW 340I. Includes performance data, maintenance guidelines, and component.
Upgrade your BMW or Toyota Supra with Burger Tuning BMS performance parts, including a 5-bar sensor, oil catch can & dual vent connection kit, differential support bracket, and B58 turbo intake heat shield - engineered for improved tuning accuracy, cleaner airflow, enhanced reliability, and stronger turbo response. Here's a breakdown of some notable applications: BMW Z4 M40i: This sporty roadster utilizes the B58 to deliver exhilarating performance, making it a favorite among driving enthusiasts. BMW 3 Series (G20) 340i: The B58 engine in the 340i offers a perfect blend of luxury and sportiness, appealing to those who desire a dynamic driving experience.