BMW E46 325xi X3 E83 2.5i Bare Engine M54 256S5 192HP with 99k miles, 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 E46 325xi X3 E83 2.5i Bare Engine M54 256S5 192HP with 99k miles, WARRANTY is a proven powertrain from the M54 family, designed for BMW vehicles with all-wheel drive. This six-cylinder gasoline engine provides smooth operation, the characteristic refinement of an inline-six, and solid performance. It is an attractive option for users looking for a technically compatible engine block for repair or replacement in their BMW models.

Specifications and technical data

• SKU: 0140990
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0140990
• Substitutable numbers: 11000140990, 0140990, 11000140991, 0140991
• Weight: 100
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the M54 256S5 unit

The presented engine belongs to the popular M54 series used in mid-size BMWs and compact SUVs. The inline cylinder layout, gasoline fueling, and configuration adapted for the xDrive system ensure that the unit works well with the factory electronics and accessories of these models. The six-cylinder design ensures even power delivery and pleasant flexibility across the entire rev range, which translates into a comfortable and predictable driving experience.

The engine is intended for use in vehicles that require a gasoline unit with similar power and torque parameters, consistent with the manufacturer's factory specifications. As a result, it can be a suitable solution when replacing a damaged engine in BMW cars of this generation.

Purpose and compatibility with BMW E46 325xi and X3 E83 2.5i

The unit in question was designed for the BMW E46 325xi and BMW X3 E83 2.5i models, which were factory-equipped with M54 family engines. This means that the block geometry, mounting points, and overall architecture are matched to the engine bay of these vehicles. The engine from the Engines category allows for maintaining the original handling characteristics without the need for unusual mechanical modifications.

The unit is particularly interesting for users who want to restore full drivetrain efficiency in all-wheel-drive vehicles while maintaining the factory drivetrain configuration. Proper selection of the engine for a specific model version helps reduce installation time and the risk of compatibility issues with accessories and control systems.

Operational parameters and practical application

The six-cylinder gasoline engine provides the refinement valued by BMW users, especially in daily use and during dynamic driving. This unit performs well both in urban conditions and on the highway, offering predictable throttle response and stable operation across a wide rev range. The engine mileage and its weight are included in the technical specification, which facilitates the assessment of its suitability for a specific repair or upgrade project.

The engine can be used as a base for a standard replacement of a damaged unit, as well as an element of a larger vehicle restoration project. Thanks to the preservation of the original M54 design concept, the user receives a powertrain consistent with the manufacturer's assumptions, which promotes stable drivetrain operation after installation.

Benefits of choosing a used BMW engine

Choosing a used engine from the M54 family allows for a significant reduction in repair costs compared to purchasing a brand-new unit, while maintaining compliance with the original BMW specification. The used condition enables an economical drivetrain rebuild, especially in vehicles used daily, where a reasonable cost-to-durability ratio is key.

The unit from this series is well-known in the service community, which facilitates maintenance, diagnostics, and any potential service work after installation. The availability of technical knowledge and spare parts makes the M54 engine a frequently chosen, solid base for further vehicle operation.

BMW engines – expansion and additional information

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

Before deciding to replace the powertrain, it is worth familiarizing yourself with typical problems and repair costs in newer generations to consciously compare the profitability of the investment. An article describing critical designs in the E90 series may be helpful – you can find it here: Faulty BMW E90 engines: check what can ruin your budget!.