BMW G30 G31 540iX G32 640iX G12 740iX B58 Complete Engine B58B30A 89k, 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 G30 G31 540iX G32 640iX G12 740iX B58 Complete Engine designed for BMW G30, G31, G32, and G12 series models is a modern, turbocharged petrol unit with an inline 6-cylinder design. It offers high refinement, great flexibility, and solid potential for further configuration, while maintaining the manufacturer's factory standards. This is an ideal choice for users looking for a proven, complete powertrain with a warranty.

Specifications and technical data

• SKU: 2455302-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2455302
• Substitutable numbers: 2455302, 11002455302
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: B58B30A
• Mileage: 89 000

Purpose and compatibility

The offered B58B30A engine comes from the family of modern BMW units used in high-end models, such as the BMW 5 Series G30/G31, BMW 6 Series G32, and BMW 7 Series G12 in xDrive versions with 540i, 640i, and 740i designations. The inline-six petrol construction ensures the smooth operation and high driving comfort characteristic of BMW, while also providing excellent throttle response and a wide range of usable torque.

Construction and technical characteristics

The B58B30A engine is a modern petrol unit from the B58 family, designed to combine performance with durability. The 6-cylinder inline layout promotes low vibration and stable operation across the entire rev range. The use of advanced fuel injection technology allows for high efficiency while maintaining reasonable fuel consumption, especially on long journeys.

This unit works well with both the stock control electronics and software optimized for individual user needs. As a result, it is suitable for both daily-driven cars and projects focused on more dynamic driving, where a stable mechanical base is essential.

Condition, mileage, and practical application

The engine is sourced from dismantling and is offered as used, with documented mileage, which allows for a realistic assessment of its service history. The declared mileage is typical for units of this generation and, with proper maintenance, leaves a significant margin of useful life. The included warranty further increases purchase security and is a significant argument for workshops and individual customers who want to minimize risk when replacing a powertrain.

In practice, such a complete engine is a good solution in situations where the existing unit has suffered a major failure (e.g., mechanical damage, overheating) and repair is not economically viable. Replacing it with a complete powertrain reduces vehicle downtime and simplifies the service process, especially in specialized workshops dealing with the BMW brand.

Benefits of installing the B58B30A unit

Choosing the BMW G30 G31 540iX G32 640iX G12 740iX B58 Complete Engine for your BMW G30, G31, G32, or G12 offers a number of measurable benefits:

• preservation of the original operating characteristics and performance intended by the manufacturer,
• compatibility with the vehicle's factory electrical and electronic architecture,
• possibility of further optimization (e.g., tuning) on a solid, stock base,
• reduction of risks associated with repairing a heavily damaged engine,
• an attractive compromise between cost and durability compared to a full rebuild of an old unit.

BMW engines – additional information and materials

If you are interested in a broader context of operating BMW powertrains and want to better understand how the proper selection and condition of an engine affects your service budget, it is worth checking out our guide on popular models. Practical tips, common faults, and ways to avoid them can be found in the article: Troublesome BMW E90 engines – a practical guide to problematic units.

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 complete powertrains, engine blocks, or engine accessories, check out the available parts in the BMW Engines category.