BMW E60 E61 LCI 525i N53 218HP Complete Engine N53B30A with 74k 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 525i N53 218HP Complete Engine N53B30A with 74k miles, WARRANTY is an original powertrain unit from the N53 family, designed for the facelifted 5 Series models. The six-cylinder petrol engine ensures smooth, refined operation and the characteristic BMW power delivery, while the stated mileage allows for further trouble-free operation with proper installation and maintenance. This is the solution for users looking for factory compatibility and the preservation of the car's original performance parameters.

Specifications and technical data

• SKU: p0421310-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0421310
• Substitutable numbers: 11000421310, 0421310, 11000421311, 0421311
• Fuel type: Petrol
• Number of cylinders: 6
• Offset (ET):
• Category: Engines
• Mileage: 59 000

Purpose and technical specifications

The offered engine is dedicated to the facelifted BMW 5 Series E60 and E61 in the 525i version with the N53B30A unit. It is a modern, inline six-cylinder petrol engine designed to combine dynamic characteristics with reasonable fuel consumption. The N53 design ensures high refinement, good flexibility across the entire rev range, and predictable behavior under load, which is important both in daily driving and on longer trips.

The unit belongs to the Engines category, which means it is prepared as a complete powertrain base for replacing a damaged engine in a vehicle. Using an original unit from the same family allows for maintaining the factory operating parameters of the powertrain and proper cooperation with the vehicle's electronics.

Benefits of installing the complete N53B30A engine

Choosing the complete N53B30A engine for the BMW 525i E60/E61 LCI is a solution that facilitates the repair process and reduces the risk of equipment mismatch issues. The unit comes from a car with real mileage, which, combined with proper diagnostics before installation, allows for rational planning of further operation. The six-cylinder design provides the balance between refinement and performance characteristic of BMW, and the use of petrol fuel promotes linear power delivery.

This type of engine is particularly recommended in situations where the existing unit has suffered major mechanical damage or is uneconomical to repair. Using a complete unit shortens vehicle downtime and simplifies workshop work, as most key powertrain components come from one consistent set.

Selection by VIN/OEM and professional installation

To ensure full compatibility with a specific BMW vehicle, it is recommended to select the engine by VIN and the manufacturer's part numbers. This helps avoid problems with differences in equipment, wiring harnesses, or ECU software. Proper selection is particularly important in the case of more modern petrol units, such as the N53, where the fuel supply and engine control systems are complex.

For users who want to deepen their knowledge about purchasing used powertrain units, selection procedures, and the profitability of such an investment, an expert guide has been prepared: Why it is worth buying used gearboxes and engines – facts instead of myths. The article explains step-by-step what to look for when choosing an engine, how to interpret manufacturer markings, and how to rationally assess the costs of the entire operation.

Condition, mileage, and operation

The offered unit is a used item, which in practice means that before installation, it is worth performing a standard package of preparatory activities: leak testing, compression verification, replacement of basic consumables, and checking the equipment for potential leaks. The declared engine mileage is important information when planning further operation – it allows you to estimate the unit's potential and plan future maintenance.

With proper installation and regular service, BMW's six-cylinder N53 family petrol engines are capable of providing stable, predictable operation for years to come. Proper maintenance (regular oil and filter changes, cooling system checks) is crucial for maintaining operating parameters and reducing the risk of failure.

BMW engines – additional information and car project development

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 powertrain units, check the available parts in the BMW Engines category.

For owners of this brand who want to better understand the impact of original used parts on durability and handling characteristics, a guide dedicated to this topic may also be helpful: BMW – sports performance and precision. How do original used parts extend the life of the Bavarian icon?. This is a practical addition to your knowledge when planning major work on the powertrain.