BMW F20 F21 F30 LCI F32 M140i 340i 440i B58 Complete Engine B58B30A 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 F20 F21 F30 LCI F32 M140i 340i 440i B58 Complete Engine is a six-cylinder petrol power unit from the B58 family, designed for modern 1, 3, and 4 Series models. This engine from the Engines category provides the characteristic BMW inline-six refinement and high potential for further modifications. It is an ideal choice for users looking for a proven base for a dynamic yet comfortable powertrain.

Specifications and technical data

• SKU: 0003069-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0003069
• Substitutable numbers: 11000003069, 0003069, 11002451937, 11002408290, 2451937, 2408290, 11002455303, 2455303
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 49 000

Technical characteristics of the B58B30A unit

The presented engine belongs to the modern B58 family, valued for its high efficiency, flexibility, and stable operation across a wide rev range. The inline six-cylinder layout promotes excellent mechanical balance, which translates into low vibrations and predictable behavior under load. Petrol fueling allows for a dynamic character that works well with both automatic and manual transmissions in the BMW F20, F30, and F32/F36 related series.

The B58B30A unit is a popular choice as a base for high-power projects because it was structurally prepared to handle turbocharging and higher thermal loads. As a result, it provides a solid foundation for users planning further modifications to the intake, exhaust, or engine control software.

Application in BMW F20, F30, F32, F40 models

The engine was designed for the sports variants of the BMW 1, 3, and 4 Series, such as the M140i, 340i, or 440i. In practice, this means that the unit's construction is adapted for intensive use, frequent acceleration, and highway driving. The B58 inline-six ensures smooth torque delivery, which improves daily driving comfort while allowing the full potential of these models' chassis to be utilized.

Proper selection of the engine for a specific body version and model year is crucial for trouble-free installation. It is worth verifying compatibility via the VIN and comparing the accessory configuration in the car to avoid additional modifications to the wiring or mounts.

Condition, mileage, and suitability for further use

The unit comes from the secondary market and is offered as a used petrol engine from the B58 family. The declared mileage allows for an assessment of wear in the context of the typical lifespan of these designs, which are known for high durability when properly maintained. This type of engine is particularly attractive to users who want to restore the full performance of their BMW after a failure of the previous unit or are planning an upgrade to a newer generation powertrain.

Before installation, standard preparatory steps are recommended, such as checking for leaks, verifying the condition of sealing elements, checking the lubrication system, and potentially replacing consumables. This approach increases operational safety and allows for the full potential of the B58B30A design to be utilized.

Benefits of choosing the B58B30A unit

By choosing this power unit, you gain:

• A modern design from the B58 family, prepared for turbocharging and high loads.
• An inline six-cylinder layout, ensuring high refinement and a characteristic sound.
• Great potential for further software and mechanical modifications, valued in the tuning community.
• The ability to restore the full dynamic performance of BMW F20, F30, and F32/440i models without the need to purchase a brand-new unit.

Thanks to these features, the B58B30A engine will perform well both in cars used daily and in projects focused on more dynamic driving, where durability reserves and predictable behavior under load are essential.

Accessory selection and further powertrain development

When planning the installation of this unit, it is worth planning the accessory configuration in advance – turbocharger, intercooler, cooling system, and exhaust. Well-chosen components allow for stable operating temperatures and the utilization of the engine's full potential, especially in cars driven dynamically. For projects focused on higher power, proper engine control software tuning is also key.

If you are interested in a practical approach to the operation and typical problems of BMW units, it is worth reading the guide on the previous generation of engines, available in the article Troublesome BMW E90 engines – what can ruin your budget. For users planning further modifications to B58 units, a guide to accessories, including the turbo and intercooler, described in the material BMW B58 code and checklist before buying a turbo and intercooler, will also be useful.

BMW Engines – expansion and compatible components

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, heads, or complete long blocks, check out the available parts in the BMW Engines category.