BMW F20 F21 M135i F22 M235i Complete Engine N55 N55B30A with 89k miles, 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 M135i F22 M235i Complete Engine N55 N55B30A with 89k miles, WARRANTY is a complete powertrain from the N55 family, designed for the sporty 1 and 2 Series models. This unit belongs to the popular BMW Engines category, valued for its dynamic characteristics, high level of refinement, and modern design. It is a solution for users who expect a proven, powerful petrol engine for advanced repair or replacement.

Specifications and technical data

• SKU: 2286629-1
• 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: 89 000

Technical characteristics of the N55B30A unit

The engine belongs to the modern family of BMW turbocharged inline petrol units. The six-cylinder inline configuration ensures high refinement, smooth power delivery, and a characteristic, linear throttle response. The N55B30A design was developed to combine performance with everyday usability, making it excellent for both dynamic driving and daily commuting.

The unit is designed for petrol fuel, which, combined with turbocharging, allows for an optimal balance between performance and fuel consumption. A complete engine is a solution that simplifies the replacement process in BMW F20, F21 M135i, and F22 M235i vehicles, minimizing the need for additional adaptations.

Application in BMW F20 F21 M135i and F22 M235i models

The presented engine was designed for compact, sporty BMW 1 and 2 Series models, where precise handling and quick response to load are essential. The M135i and M235i versions utilize the potential of the N55B30A unit to build a character similar to M Performance models, offering the driver a significantly higher level of dynamics than standard variants.

Thanks to the factory fitment for these specific bodies, the complete engine allows for maintaining the vehicle's original characteristics without compromising mechanical and electronic compatibility. This is particularly important during professional repairs when the goal is to restore the vehicle to factory-like parameters.

Benefits of choosing a complete used engine

Choosing a complete, used engine from the N55 family for a BMW allows for significant cost savings compared to purchasing a new unit or building an engine from scratch. At the same time, the original manufacturer's specification is preserved, which facilitates seamless integration with the vehicle's existing systems. This solution is often chosen by workshops specializing in the BMW brand and by informed users looking for a technically consistent replacement.

The engine in this offer has a specific mileage, which makes it easier to assess its service history and plan future maintenance. A used powertrain is a good choice in situations where the current engine has suffered major mechanical damage or an economically unviable failure.

Selection by part numbers and technical support

When selecting an engine for a specific BMW, it is crucial to verify compatibility using the OEM number, interchangeable numbers, and the engine code. In workshop practice, data from the vehicle's VIN is also often used to confirm full compatibility of the unit with the car's accessories and electronics. This minimizes the risk of installation problems and the need for additional modifications.

If you want to learn more about the cost-effectiveness of purchasing used powertrains and their selection procedures, it is worth reading our expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, selection by VIN and OEM, as well as repair cost ratios.

BMW Engines – expansion and modernization of the powertrain

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 powertrains, check out the available parts in the BMW Engines category.

This approach allows for consistent servicing of the entire powertrain while making it easier to keep the car up to the manufacturer's standards. By choosing components from one dedicated category, you increase the chance of trouble-free installation and predictable vehicle behavior after the repair.