BMW G20 G21 M340iX X3 G01 M40iX G22 Complete Engine B58D B58B30B 49k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

BMW G20 G21 M340ix X3 G01 M40ix G22 Complete Engine B58D B58B30B is a complete, six-cylinder gasoline engine from the B58 family, designed for modern BMW models with xDrive. The unit provides a solid foundation for professional repair or conversion, offering high performance potential and compatibility with the vehicle's factory architecture.

Specifications and technical data

• SKU: 5A42E06-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A42E06
• Substitutable numbers: 5A42E06, 11005A42E06, 2468595, 11002468595
• Fuel type: Petrol
• Number of cylinders: 6
• Part type: Complete Assembly
• Category: Engines
• Engine code: B58D B58B30B
• Mileage: 49 000

Technical Characteristics of the B58D B58B30B Engine

The presented engine belongs to the modern B58 family, used in sporty versions of BMW 3 Series G20/G21, 4 Series G22, and the X3 G01 model. The construction based on six cylinders in an inline configuration ensures a high level of refinement, smooth power delivery, and the characteristic BMW sound. The use of gasoline allows for dynamic throttle response and broad possibilities for further configuration in terms of software and ancillaries.

The complete B58D B58B30B engine is designed to work with advanced xDrive drivetrain systems, making it a suitable choice for vehicles with increased traction and dynamic requirements. This unit is frequently chosen for both standard replacement and modernization projects within compatible BMW models.

Application in BMW G20, G21, G22, and X3 G01 Models

The complete B58D B58B30B engine is used in sporty variants of the BMW 3 and 4 Series and the X3 model, where the priority is to combine performance with everyday comfort. In practice, this means the unit is designed to operate in:

• BMW 3 Series G20/G21 M340ix – sedan and touring configurations with all-wheel drive, focused on dynamic driving.
• BMW X3 G01 M40ix – a sporty SUV version requiring a stable, flexible power source.
• BMW 4 Series G22 – a modern coupe where quick throttle response and smooth power delivery are crucial.

This intended use makes the B58D B58B30B unit particularly interesting for users seeking consistency with factory specifications and the ability to further personalize engine operating parameters.

Benefits of Choosing a Complete BMW B58 Engine

Choosing a complete engine from the B58 family for G20, G21, G22, and X3 G01 models is a solution that allows for technically correct and predictable drivetrain repair. Key advantages include:

• Uniform inline-six design – promotes stable operation, reduces vibrations, and simplifies diagnostics.
• Modern gasoline architecture – prepared for integration with advanced control electronics and all-wheel drive systems.
• Compatibility with the G platform – facilitates installation in 3 Series, 4 Series, and X3 vehicles, minimizing the need for structural modifications.
• Appropriate service life – beneficial from the perspective of further use and service planning.

Thanks to these features, the B58D B58B30B engine is an attractive proposition for workshops specializing in the BMW brand and for informed users looking for a proven power unit for their car.

Condition, Origin, and Service Purpose

The offered engine is in used condition, which is important for planning further service work. The unit is intended for professional workshops and individual customers who expect a factory base for overhaul or replacement as part of post-accident repairs, mechanical damage, or failure of the previous engine.

Due to the specifics of modern BMW B58 units, it is recommended to perform standard preparatory steps before installation, such as leak testing, ancillaries verification, and adjusting the engine control unit software to the specific vehicle configuration. This approach allows for maintaining predictable operating parameters and reducing the risk of incompatibility.

BMW Engines – Selecting the Right Unit and Additional Materials

If you are looking for other BMW engines for models from the same or a related generation, check out our dedicated category BMW Engines, where you will find a wide selection of power units tailored to different series and equipment versions.

When planning an engine replacement, it is also worth familiarizing yourself with the typical design issues of older generations. For comparison and a better understanding of the differences between newer B58 engines and earlier designs, the blog article Troublesome BMW E90 Engines: Find Out What Can Ruin Your Budget!, which discusses the critical points of older units and allows for a conscious approach to purchasing a used engine, can be helpful.

For models with xDrive, such as M340ix or M40ix, it is also important to understand the engine's interaction with the AWD system. Additional information on the characteristics of all-wheel drive systems from various brands, including BMW, is provided in the material xDrive, 4Matic, quattro, or 4Motion – Comparison of AWD Systems from BMW, Mercedes, Audi, and VW, which can be helpful for comprehensive planning of drivetrain repair or modernization.