BMW F20 F21 M135i F22 M235i Bare Engine N55 N55B30A New Timing 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 F20 F21 M135i F22 M235i Bare Engine N55 N55B30A New Timing WARRANTY is a proposal for drivers expecting a precisely selected, six-cylinder petrol engine block for BMW 1 and 2 series models with the N55 unit. This is a bare engine block with a new timing chain system, providing a solid foundation for professional assembly of accessories and restoring full efficiency to the drivetrain.

Specifications and technical data

• SKU: 2286629-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2286629
• Substitutable numbers: 2286629, 11002286629, 2286630, 11002286630, 2334333, 11002334333, 5A635D7, 11005A635D7, 2334332, 11002334332
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: N55B30A
• Mileage: 59 000

Technical characteristics of the N55B30A engine block

The presented engine block belongs to the family of modern, inline petrol units from BMW with six cylinders, which translates into high refinement and smooth power delivery. The N55B30A engine code is used in the sports variants of the BMW F20, F21 M135i, and F22 M235i, making the block perfectly suited to the requirements of dynamic driving and precise handling.

The engine runs on petrol, which allows for the flexibility and quick throttle response characteristic of this unit. The use of a new timing system in this block reduces the risk of typical failures associated with worn-out timing drive components and is a significant advantage when planning long-term operation.

Scope of application and compatibility

The offered bare engine block is intended for installation in sports versions of the BMW F-series with the N55 unit, particularly in the M135i and M235i models. By maintaining the correct engine code, it is possible to match it with factory electronics, fuel systems, and accessories, which facilitates integration with the vehicle's existing configuration.

As a bare engine block, it requires the transfer of accessories from the previous unit or the use of appropriate accompanying components. This configuration is beneficial for workshops and users who want to consciously select the turbocharger, injection system, or manifolds, while maintaining control over the quality of the components used.

Condition, mileage, and benefits of installation

The unit comes from the Engines category and is offered as a used item with documented mileage, which allows for a better assessment of its service history. Low mileage combined with a new timing system makes the block an attractive base for further assembly, reducing the risk of costly repairs in the short term.

Key benefits of installing this engine block include:

• maintaining the performance characteristics typical of the N55B30A unit in M Performance versions,
• the ability to use existing vehicle accessories and electronics,
• reduction of adaptation work due to structural compatibility with factory BMW solutions,
• greater control over repair costs through the independent selection of additional components.

Why choose this engine block

Choosing this N55B30A block is a solution for those who want to restore full drivetrain efficiency in a BMW F20, F21 M135i, or F22 M235i while maintaining factory driving characteristics. The new timing system in the offered unit reduces the risk of failure in one of the key areas of the engine, which is important for both reliability and safety of use.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as blocks, cylinder heads, or complete power units, check the available parts in the BMW Engines category.

Technical support and additional information

When selecting a used engine, it is worth considering the typical issues of BMW units and the differences between individual generations. A guide material describing critical construction areas and potential repair costs may be helpful. To better understand the specifics of this brand's power units, read the article Troublesome BMW E90 engines: check what can ruin your budget!, which allows for an informed approach to the topic of purchasing and operating an engine.