BMW F30 F31 F34 335i F32 F36 435i Complete Engine N55 N55B30A 99k, 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 F30 F31 F34 335i F32 F36 435i Complete Engine N55 N55B30A is a complete power unit from the N55 family, designed for modern BMW 3 and 4 Series models. This inline-six petrol engine delivers the brand's signature refinement and dynamic throttle response. It is an ideal solution for users looking for a proven, technically advanced powertrain for professional repair or replacement.

Specifications and technical data

• SKU: 2286625-2
• 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 offered N55B30A complete engine is dedicated to BMW 3 Series F30, F31, F34 335i and 4 Series F32, F36 435i models, allowing for use in a wide range of sedan, touring, and coupe body styles. The unit belongs to the Engines category, making it a central component of the drivetrain, ready to work with the factory electronics and equipment of these BMW generations.

Technical characteristics of the N55B30A unit

The N55B30A engine is a modern, inline-six petrol construction designed to combine performance with reasonable fuel consumption. The six-cylinder layout promotes smooth operation across the entire rev range and stable torque delivery. The unit is designed to run on petrol, ensuring quick revving and excellent compatibility with both automatic and manual transmissions used in these models.

The engine's mileage allows for further operation with proper maintenance, and the N55 design is well-known in the workshop environment, which facilitates diagnostics, service, and potential adaptation work. As a result, the unit is suitable both for standard replacement of a damaged engine and for upgrade projects focused on improving performance.

Condition, origin, and benefits of purchasing a used engine

The engine comes from dismantling and is offered as used, which allows for significant cost savings compared to purchasing a brand-new unit. This type of solution is particularly beneficial in cases of major failures, such as mechanical damage to the block, crankshaft, or cylinder head, where repairing the existing engine would be economically unjustified.

Purchasing a complete N55B30A engine allows for:

• restoring full drivetrain efficiency without the need for a long-term rebuild of the old unit,
• maintaining the original performance characteristics and driving dynamics typical of the 335i and 435i versions,
• easier integration with factory equipment and control systems compared to conversions to other engine types.

Practical application and installation recommendations

The N55B30A complete engine is suitable both for standard unit replacement in daily-driven cars and in vehicles used more dynamically. It is recommended that the installation be carried out by a workshop with experience in N55 units, which will ensure proper adaptation, system bleeding, and engine control unit configuration.

Before installation, it is worth planning basic service procedures, such as changing the oil, filters, or spark plugs, to maximize the potential of the used engine and minimize the risk of additional service downtime. Thanks to this, the BMW F30 F31 F34 335i F32 F36 435i Complete Engine N55 N55B30A can become a solid foundation for further, trouble-free vehicle operation.

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

Technical knowledge and failure prevention

When planning an engine replacement, it is worth knowing the typical problems occurring in specific generations of this brand's models. For comparison with earlier designs and a better understanding of potential operating costs, the article describing critical units in the E90 series will be helpful – you can find it here: Troublesome BMW E90 engines: check what can ruin your budget!.