BMW 3 Series 2015 Engine Performance & Specifications Guide

The BMW 3 Series 2015 continues to impress driving enthusiasts with its refined inline-six engines and balanced performance. Whether you're drawn to the turbocharged power or the classic naturally aspirated feel, understanding the 3 Series 2015 engine options ensures you unlock its full potential.

The 2015 BMW 3 Series offered a range of engine choices, including the fuel-efficient 3.0-liter inline-six (B38B44) producing 335 hp in the M340i and the high-performance B48B44 turbocharged inline-six delivering up to 382 hp in the M340i and 335 hp in the 340i. Each variant balances torque, responsiveness, and efficiency, catering to sporty drivers and daily commuters alike.

Most 2015 3 Series models featured a 8-speed automatic transmission paired with advanced all-wheel drive (xDrive) in higher trims, enhancing traction and stability. The engine management system optimized performance across modes, delivering smooth acceleration from 0 to 60 mph in under six seconds for sportier configurations.

While the B48B44 engines received praise for power delivery, owners note the need for timely oil changes and attention to the dual-variable valve timing system. Regular maintenance ensures longevity and preserves the engine’s high-revving character, making servicing a key aspect of ownership.

The BMW 3 Series 2015 engine lineup stands as a benchmark in its class, blending performance, refinement, and reliability. For enthusiasts seeking precision engineering or daily drivers craving dynamic capability, these engines deliver lasting value. Upgrade your ride with confidence—explore genuine BMW 3 Series 2015 engine parts and performance tuning today.

2015 BMW 3-Series Performance Review Note: This performance review was created when the 2015 BMW 3-Series was new. The 2015 BMW 3-Series is one of the most satisfying cars to drive in the class, according to critics, with extraordinarily sharp handling and engines that range from peppy to downright ferocious. Detailed specs and features for the Used 2015 BMW 3 Series including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

For an in-depth side-by-side breakdown of all the 2015 3 Series specs, features and options by trim level, check out Kelley Blue Book's 2015 BMW 3 Series specs page. The 2025 BMW 3-series remains the sports-sedan standard, combining an athletic chassis and a luxurious cabin with a pair of powerful powertrains. Read our full 2015 BMW 3-series review for pros, cons, pricing, and expert insights.

Our editors test drive over 200 vehicles a year to help car shoppers pick the right vehicle for them. Get the most useful specifications data and other technical specs for the 2015 BMW 3-Series 4-Door Sedan 320i RWD. See body style, engine info and more specs.

In summary, the 2015 BMW 3 Series offers a blend of performance and luxury that many drivers appreciate. However, potential buyers should be aware of the common problems that can arise, particularly with the engine, transmission, and electrical systems. The eighth generation of the BMW 3 Series lineup consists of internationally available ICE (internal combustion engine) and BEV (battery electric) versions.

Find detailed specs and features for the 2015 BMW 3 Series including horsepower, engine, capacity, fuel economy, transmission, safety, warranty, drivetrain and more. Latest technology in the 2015 BMW 3 Series Sedan: Compare all specifications and configurations of the 2015 BMW 3 Series Sedan, special features and options, and check out specs and trims on CarBuzz.