BMW 1 3 Series E87 E90 120i 320i 150HP Complete Engine N46B20B w 30k m WARRANTY

BMW 1 3 Series E87 E90 120i 320i 150HP Complete Engine N46B20B w 30k m WARRANTY for the 1 Series E87 and 3 Series E90 with 150 HP is an excellent choice for drivers looking for a proven petrol powertrain. This is a used, complete engine assembly that allows for a technically sound engine replacement without the need for costly overhauls of the old unit. By maintaining factory specifications, the engine ensures consistency with the original BMW drivetrain architecture.

Specifications and technical data

• SKU: 0430933-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0430933
• Substitutable numbers: 11000430933, 430933, 11000391997, 0391997, N46B20B, N46B20BA, 11000430932, 0430932, 11000391996, 0391996, 0430933
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Purpose and compatibility

The offered BMW 1 3 Series E87 E90 120i 320i 150HP Complete Engine N46B20B w 30k m WARRANTY is designed for BMW 1 Series E87 and 3 Series E90 models in 120i and 320i versions with 150 HP. The unit's design was developed for dynamic yet economical daily driving, while maintaining the characteristic refinement of a BMW inline four-cylinder engine.

The unit belongs to the Engines category, which means it is a complete powertrain assembly, not just a single component. As such, it provides a solid foundation for replacing a damaged engine in BMW vehicles that originally utilized this engine family.

Construction and technical characteristics

The engine belongs to the family of BMW four-cylinder inline petrol units. This configuration provides a good balance between performance and fuel consumption, and facilitates maintenance thanks to its clear accessory architecture. Four cylinders working in an inline layout promote smooth power and torque delivery, which translates into predictable vehicle behavior across the entire rev range.

The engine is complete, which in practice means it is a ready-to-install base for replacing a worn or damaged unit. This solution reduces vehicle downtime and simplifies the repair process compared to step-by-step regeneration of individual components of an old engine.

Condition, mileage, and benefits of installation

The unit comes from dismantling and is offered as a used BMW petrol engine. The declared mileage allows for assessing the degree of wear and planning further maintenance after installation. In practice, this means the ability to take a conscious approach to changing fluids, checking seals, and auxiliary components once installed in the car.

Choosing a complete engine from this series is a beneficial solution for users who want to restore the vehicle's full performance while maintaining the manufacturer's original specifications. Installing a unit that is structurally consistent with the factory engine minimizes the risk of compatibility issues with electronics, fuel systems, or mechanical mounts.

Why choose this BMW N46B20B engine

• Original BMW unit – maintaining factory performance characteristics and compatibility with the 1 Series E87 and 3 Series E90 drivetrain.
• 150 HP petrol engine – suitable for dynamic city and highway driving.
• Four-cylinder inline construction – good refinement and predictable behavior under load.
• Complete powertrain assembly – reduction of time and costs associated with rebuilding an old unit.
• A cost-effective solution compared to purchasing a brand-new engine.

Technical support and additional information

Before purchasing, it is worth verifying the unit's compatibility with the specific vehicle equipment version, especially regarding the electronics and accessories used. Vehicle identification data (VIN) and comparing the engine family used in a given BMW model year can be helpful. In case of doubt, consulting a workshop specializing in the BMW brand to assess the scope of necessary installation work is a good solution.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as blocks, cylinder heads, or complete long blocks, check the available parts in the BMW Engines category.

For 3 Series E90 users, a practical guide regarding common powertrain problems in this model will be particularly useful – you can find it in the article Troublesome BMW E90 engines: check what can ruin your budget!, which helps to consciously plan an engine replacement and subsequent operation.