The 2015 BMW X3 2.0L 28i engine is part of BMW's popular X3 compact luxury crossover lineup. It features a 2.0-liter turbocharged inline-4 gasoline engine, known as the N20 engine, which is widely used across BMW's model range for its balance of power and efficiency. This engine is found in the X3 xDrive28i and sDrive28i trims, with the following key highlights:

Key Specifications of the 2015 BMW X3 2.0L 28i Engine:

• Engine Type: Turbocharged 2.0-liter inline-4 (BMW N20 engine)
• Horsepower: 240 hp @ 5,000-6,500 rpm
• Torque: 260 lb-ft @ 1,450-4,800 rpm
• Fuel Type: Gasoline
• Transmission: Paired with an 8-speed automatic transmission
• Drivetrain: Available in rear-wheel drive (sDrive28i) and all-wheel drive (xDrive28i) configurations.
• Fuel Economy: Approximately 21-22 mpg city and 28-29 mpg highway, depending on the drivetrain.

Key Features and Technologies:

• Turbocharging: The N20 engine uses a twin-scroll turbocharger, which helps deliver strong low-end torque and quick acceleration.
• Direct Fuel Injection: Enhances fuel efficiency and performance by precisely injecting fuel directly into the combustion chamber.
• Valvetronic and Double VANOS: These BMW technologies optimize engine efficiency by controlling valve timing and lift, contributing to better fuel economy and throttle response.

Usage:

• The 2.0L 28i engine in the 2015 BMW X3 is praised for its blend of fuel efficiency and performance, making it an attractive option for those seeking a luxury SUV with good handling and driving dynamics. This engine is part of BMW’s push towards smaller, turbocharged engines to meet both performance demands and fuel efficiency standards.

When considering a used OEM 2015 BMW X3 engine (2.0L, 28i) for replacement or repair, you’ll want to ensure it's been properly maintained, especially with respect to the turbocharger, as turbo engines can be more sensitive to maintenance intervals.