BMW F30 F31 F34 335i F32 F36 435i 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 F30 F31 F34 335i F32 F36 435i Bare Engine N55 N55B30A 99k miles, WARRANTY is an original, used engine block from the N55 family, designed for modern BMW 3 and 4 Series models. This is a solution for users looking for a technically compatible, inline-six petrol engine that will allow for a professional repair or replacement of the power unit. By maintaining factory specifications, this bare engine provides a solid base for further assembly with accessories.

Specifications and technical data

• SKU: 2286625
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2286625
• Substitutable numbers: 2286625, 11002286625, 2286626, 11002286626, 2298312, 11002298312, 5A63546, 11005A63546, 2298311, 11002298311
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: N55B30A
• Mileage: 99 000

Purpose and compatibility

The presented bare engine is dedicated to BMW 3 Series F30, F31, F34 335i and 4 Series F32, F36 435i models, which use the unit with the code N55B30A. The design based on an inline cylinder layout ensures the characteristic BMW refinement and predictable behavior under load. Using an original engine block allows for maintaining compatibility with factory mounting points, the drivetrain, and engine control systems.

Construction and technical parameters

The engine belongs to the Engines category and represents a modern, six-cylinder petrol unit. The inline cylinder layout promotes even force distribution, which translates into stable operation across the entire rev range. As a bare engine, it constitutes a complete block with a cylinder head, prepared for transferring accessories from the previous unit or installing new equipment in accordance with the manufacturer's requirements.

The petrol fuel type allows this engine to be used in cars for both daily commuting and more dynamic driving, while maintaining appropriate refinement and flexibility. The number of cylinders is chosen for a balance between performance and durability, which is important for operation in premium-class vehicles.

Condition, mileage, and service application

The unit is offered as a used bare engine, which means it serves as a base for a professional rebuild or engine replacement in the vehicle. The declared mileage allows for assessing the degree of wear and planning potential service activities, such as checking seals, measuring compression, or verifying timing components before installation. This type of solution is particularly beneficial in situations where the existing engine has suffered major mechanical or thermal damage.

Choosing an original BMW engine block reduces the risk of fitment issues and facilitates cooperation with the factory engine control unit, electrical wiring, and cooling system. It is a practical option for workshops specializing in the BMW brand and for users who want to restore full vehicle functionality while maintaining technical consistency.

Benefits of using an original BMW engine block

Using an original N55 family unit in place of a damaged engine allows you to:

• maintain factory performance parameters and power delivery characteristics,
• preserve compatibility with existing accessories and control systems,
• minimize the time required for fitting mounting components,
• reduce costs compared to purchasing a new power unit.

Thanks to this, the N55B30A bare engine is a reasonable choice for informed users and service centers that prioritize technically correct and economically justified solutions.

Selection by numbers and technical support

The engine has an assigned OEM part number and interchangeable numbers, which facilitates precise identification and selection for a specific vehicle configuration. Before purchasing, it is worth verifying compatibility by numbers and engine code to avoid installation problems. Detailed technical information can be found in the specifications section, where all key identification data has been collected.

If you want to better understand how to safely choose used power units and what to pay attention to when verifying technical condition, check out the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses procedures for selection by VIN and OEM numbers and presents practical examples.

BMW Engines – expansion and modernization

If you are planning a comprehensive repair or modernization 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.

For users interested in the broader context of the premium car parts market, the article Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026 may also be useful, showing why branded second-hand components are becoming an increasingly popular and rational choice.