BMW F10 F11 LCI 535i F06 F13 640i Bare Engine N55 N55B30A 99k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

BMW F10 F11 LCI 535i F06 F13 640i Bare Engine N55 N55B30A 99k miles, WARRANTY is a used, original petrol engine block designed for modern BMW 5 and 6 series models. The unit belongs to the popular N55 family, valued for its dynamic characteristics, smooth operation, and high level of refinement. It is an ideal choice for users looking for a technically compatible solution for professional engine repair or replacement.

Specifications and technical data

• SKU: 2413122
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2413122
• Substitutable numbers: 2413122, 11002413122, 2286573, 11002286573, 2413123, 11002413123, 2286574, 11002286574, 11002218258, 2218258, 11002218257, 2218257, 11002210427, 2210427, 11002210428, 2210428
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: N55B30A
• Mileage: 99 000

Purpose and compatibility

The presented bare engine block is designed for use in BMW F10 / F11 LCI 535i and BMW F06 / F13 640i models, ensuring proper structural fitment with factory mounting points and accessories. The engine code N55B30A denotes a unit from the BMW inline-six petrol engine family, which translates into the flexibility and refinement characteristic of this brand.

The bare block serves as a base for transferring existing accessories from a damaged unit, which allows for maintaining compatibility with the specific vehicle's equipment and reducing repair costs while maintaining a high-quality solution.

Technical characteristics of the N55B30A unit

The N55B30A engine is a modern, inline six-cylinder petrol unit, known for its linear power delivery and high refinement. The use of petrol fuel ensures that the engine works well with the factory injection and ignition systems used in the BMW F-series.

The inline cylinder layout facilitates servicing and diagnostics, and promotes stable operation across the entire rev range. The N55 unit is widely documented in service literature and the automotive community, which makes it easier to select the correct assembly and maintenance procedures.

Practical application and assembly advantages

The bare engine block is a particularly cost-effective solution in situations where the block, crankshaft, or piston-connecting rod assembly has been damaged, but the accessories (turbo, injectors, manifolds, covers, wiring harnesses) are suitable for reuse. This allows you to:

• restore the engine's performance while maintaining the original vehicle equipment configuration,
• minimize costs compared to purchasing a complete engine with all accessories,
• maintain compatibility with factory ECUs and electrical installations,
• better control the condition of additional components, which can be selected individually.

The unit's mileage allows you to assess its previous operation and plan any necessary preventive maintenance (e.g., replacing seals or checking the timing system) before installation in the car.

Condition, origin, and identification

The engine comes from the Engines category and is marked as used, which is important when planning a repair budget and selecting the scope of service work before installation. The original BMW brand guarantees structural compatibility with the manufacturer's factory solutions and proper fitment with the body and drivetrain.

To facilitate identification in catalog systems and when contacting service centers, you can use the markings assigned to the product, such as SKU, OEM part number, or interchangeable numbers, which are listed in the technical specification. This makes it easier to verify the compatibility of the block with the specific version of the N55 engine used in a given production year and vehicle configuration.

Assembly recommendations and additional materials

Before installation, it is recommended to perform a standard package of service procedures typical for used power units, such as leak testing, verifying the condition of seals, and preparing surfaces for accessories. Proper preparation of the block before installation in the car significantly extends its trouble-free operation.

If you want to better understand the specifics of BMW power units and typical problems that may occur in popular models, it is worth reading the article on our blog: Troublesome BMW E90 engines – check what can ruin your budget. This is a practical addition to your knowledge when planning major work on the drivetrain.

When planning to purchase a used engine block, you can also use the advice contained in the guide: How to buy a used car engine and not get scammed – a step-by-step guide, which helps assess risks, prepare a checklist, and approach the installation consciously.

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 power units, check out the available parts in the BMW Engines category.