BMW E60 E61 LCI 523i N53 190HP Complete Engine N53B25A 85k 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 E60 E61 LCI 523i N53 190HP Complete Engine N53B25A is a petrol power unit from the N53 family, designed for the facelifted 5 Series models. It is a robust, inline-six engine that ensures smooth operation, high refinement, and the dynamic performance characteristic of BMW, making it an attractive solution for replacing a damaged unit or for a powertrain upgrade project.

Specifications and technical data

• SKU: 0429664-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0429664
• Substitutable numbers: 11000429664, 0429664, 11000429665, 0429665
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the N53B25A engine

The presented engine belongs to the Engines category and is intended for BMW 5 Series E60/E61 LCI 523i petrol vehicles. The inline-six cylinder layout promotes even power delivery and stable operation across the entire rev range, which translates into predictable vehicle behavior in both city and highway driving.

The N53B25A unit is a modern construction for its generation, designed for efficient combustion and good flexibility. As a result, the engine responds well to load, and with proper maintenance, it allows for maintaining stable operating parameters for a long time.

Application in BMW E60/E61 LCI 523i

The BMW E60 E61 LCI 523i N53 190HP Complete Engine N53B25A was developed specifically for the facelifted BMW 523i E60/E61 model, which facilitates fitting into the vehicle's factory installation. Using a unit consistent with the original model specification reduces the need for modifications and also simplifies subsequent diagnostics and service maintenance.

The inline-six powertrain works well with the factory gearboxes and control systems in this model, which is crucial when replacing a damaged engine with a used equivalent. The correct choice of power unit allows for maintaining factory driving characteristics, predictable throttle response, and the even power delivery characteristic of BMW.

Condition, mileage, and benefits of installation

The offered engine comes from the secondary market, which allows for optimizing repair costs compared to purchasing a new unit. The declared mileage is important information when planning further operation – it allows for assessing the potential durability reserve and planning preventive maintenance after installation.

Choosing a complete petrol engine for the BMW 523i E60/E61 LCI is particularly beneficial when the existing unit has suffered serious mechanical damage or an economically unviable failure. Installing a properly selected engine enables the restoration of full vehicle efficiency, preservation of original power parameters, and maintenance of consistency with the factory model configuration.

What to look for when buying a used BMW engine

When choosing a used engine for a BMW, it is worth verifying the unit's compatibility with the specific model version, the condition of the accessories, and the service history. It is also recommended to perform basic preparatory steps before installation, such as replacing consumables and checking cooperating components, to minimize the risk of unplanned service downtime.

For those who want to better understand the specifics of BMW power units and the potential costs associated with their operation, a guide dedicated to the 3 Series may be helpful – a detailed discussion of typical problems can be found in the article Troublesome BMW E90 engines – check what can ruin your budget. Although it concerns a different model, it allows for a better assessment of how important an informed choice of power unit and proper maintenance is.

Related items from the BMW Engines category

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.