2017-2019 BMW 330i xDrive 2.0L Turbo Engine

BMW B46 TwinPower Turbo replacement motor, used 330i AWD complete engine assembly, 2018 BMW 2.0L inline-4 engine swap, B46B20 high-efficiency motor dropout

Looking for a premium, low-mileage replacement motor to restore the precise, punchy driving dynamics of your luxury sedan? This genuine OEM 2017-2019 BMW 330i xDrive 2.0L Turbo Engine is the perfect solution. Sourced from a well-maintained vehicle with only 75,000 original miles, this high-performance inline-four motor represents the peak of modern German powertrain engineering—perfectly balancing immediate throttle response with stellar fuel economy.

As a proud member of BMW’s highly modular B46 engine family, this 2.0-liter TwinPower Turbo powerplant utilizes a highly efficient twin-scroll turbocharger, high-pressure direct fuel injection, and VALVETRONIC variable valve control. This advanced setup comfortably outputs a robust 248 to 255 horsepower and up to 295 lb-ft of torque right from the low end of the powerband, completely eliminating turbo lag during your daily commute or spirited highway acceleration.

Every engine assembly has been thoroughly run-tested and validated through rigorous compression and leak-down testing to ensure perfect mechanical integrity. Configured strictly for xDrive All-Wheel Drive (AWD) applications, this complete motor offers a seamless plug-and-play fit to return your 3 Series to its factory-smooth performance.

Engine Quick Facts:

• Fits: 2017, 2018, and 2019 BMW 330i xDrive (AWD configurations)

• Engine Code: B46 / B46B20 (2.0L TwinPower Turbo Inline-4)

• Factory Output: 248–255 HP / 258–295 lb-ft of Torque (Model year dependent)

• Induction: Twin-Scroll Turbocharged with High-Precision Direct Fuel Injection

• Mileage: 79,000 tested miles

• Emissions: 50-State Full Emissions/PZEV Compliant

• Condition: High-quality, tested OEM complete engine assembly

A Quick Tech Note for Accuracy: When sourcing a B46 replacement engine across these specific model years, pay close attention to your vehicle’s chassis generation. The 2017 and 2018 330i models belong to the F30 generation platform, whereas the 2019 model year introduced the redesigned G20 generation 3 Series. While the core block design is beautifully engineered across both eras, external components like cooling lines, oil pan shapes, and engine mounting brackets vary noticeably between generations. Be sure to confirm your exact chassis type to ensure a completely effortless installation.

Don’t settle for risky salvage yard core pulls or pay prohibitive premium dealership pricing. Extend your BMW’s operational lifespan with verified, factory-tested engineering. Message our team today with your zip or postal code for a fast, competitive shipping quote across the US, Australia, or worldwide!