BMW E90 E91 E92 325d 330d N57 Bare Engine N57D30A New Timing Installed 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 E90 E91 E92 325d 330d N57 Bare Engine N57D30A New Timing Installed WARRANTY is a complete bare engine from the modern BMW diesel family, designed for the 3 Series E90 models in 325d and 330d versions. This is an ideal choice for users looking for a technically advanced, six-cylinder diesel engine with a freshly installed timing system, which significantly reduces the costs and time required for further maintenance. Thanks to this solution, you can restore the full performance of your BMW's powertrain in a controlled and predictable manner.

Specifications and technical data

• SKU: 0442930-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0442930
• Substitutable numbers: 11000442930, 0442930, 11000442931, 0442931
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the N57D30A unit

The presented engine belongs to the N57 family, which consists of modern, inline-six BMW diesel units. This configuration ensures excellent refinement, smooth torque delivery, and high mechanical durability when properly maintained. The use of diesel fuel allows for favorable fuel consumption while maintaining adequate dynamics, which is particularly important in heavier, well-equipped BMW 3 Series E90 models.

The N57D30A engine is a popular choice both for standard engine replacement and for modernization projects where a combination of flexibility, reasonable operating costs, and compatibility with factory BMW electronics is essential.

New timing system – maintenance and operational benefits

A key advantage of this unit is the new timing system, which is of great importance for operational safety in N57 family engines. Replacing the timing chain is one of the more demanding service operations, which is why purchasing a unit with a complete timing package already installed allows you to:

• reduce the initial cost of starting the car after a swap or repair,
• limit the risk of failures associated with worn timing components,
• shorten the vehicle's downtime in the workshop,
• plan further engine maintenance based on a freshly performed service.

Thanks to this solution, the mechanic can focus on the correct installation and configuration of the unit, and the user gains greater confidence regarding the critical area responsible for synchronizing the crankshaft and camshafts.

Condition, mileage, and application in BMW E90 325d / 330d

The engine comes from a BMW vehicle and is offered as an item in the Engines category. The unit has documented mileage, which allows for a better assessment of its service history and planning of future inspections. This level of wear is attractive to users who want to avoid extremely exploited units while not necessarily needing a brand-new factory engine.

Designed for BMW E90 325d and 330d models, the engine is structurally matched to the factory mounts, powertrain, and engine bay architecture of these versions. In practice, this facilitates installation, integration with accessories, and proper cooperation with original ECUs and vehicle wiring, provided the selection is made in accordance with the unit designation and reference numbers.

OEM and VIN matching and technical support

When replacing an engine in modern BMWs, correct matching based on OEM numbers, engine codes, and vehicle VIN data is crucial. This helps avoid issues with the compatibility of accessories, wiring harnesses, or software. If in doubt, it is worth using expert materials regarding the procedures for selecting used engines and gearboxes – they are discussed in detail in the article Why it is worth buying used gearboxes and engines – facts instead of myths, where you will find practical tips, examples, and a discussion of costs.

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 additional power units, bare engines, or complete engine assemblies, check out the available parts in the BMW Engines category.

This approach allows you to plan the entire replacement operation in a consistent manner – from selecting the right unit, through potential retrofitting with compatible accessories, to the final startup of the vehicle after repair or swap. Thanks to this, the BMW E90 E91 E92 325d 330d N57 Bare Engine N57D30A New Timing Installed WARRANTY can become a solid foundation for the further, informed modernization of your car's powertrain.