BMW X5 E70 LCI X6 E71 40dX Bare Engine N57S N57D30B 306HP New Timing 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 X5 E70 LCI X6 E71 40dX Bare Engine N57S N57D30B 306HP New Timing WARRANTY is a used, complete bare engine block from the N57 family, designed for BMW diesel units. This is a solution for users who want to carry out a major repair or engine replacement in a controlled and technically correct manner, using a factory base for further components. Thanks to the use of a new timing chain kit, the engine block serves as a solid starting point for further assembly and configuration for a specific vehicle.

Specifications and technical data

• SKU: 2180690-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2180690
• Substitutable numbers: 2180690, 11002180690, 2180691, 11002180691, 5A6C477, 11005A6C477
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: N57D30B
• Mileage: 99 000

Technical characteristics of the N57D30B engine block

The offered bare engine block belongs to the Engines category and represents the modern family of BMW N57 diesel units. The design is based on an inline cylinder layout, which promotes smooth operation and facilitates maintenance compared to more complex configurations. The use of Diesel fuel allows for favorable torque characteristics, which is particularly important in heavier models such as the BMW X5 E70 LCI and BMW X6 E71 40dX.

The engine with the code N57D30B is a popular choice for major repairs because it provides a good base for transferring components from the previous unit. A bare engine block means that the user can flexibly select and transfer accessories according to their car's configuration, maintaining consistency with the vehicle's electronics and equipment.

New timing chain – a key element of durability

A significant advantage of this engine block is the new timing chain kit, which is of great operational importance for N57 units. Replacing the timing chain during the engine block installation reduces the risk of future failures and helps avoid costly repairs associated with potential damage to valves or the cylinder head. For workshops and private users, this means more predictable costs for the entire operation and greater peace of mind during further use.

The new timing chain, combined with adherence to proper installation procedures (checking clearances, tightening torques, correct alignment of marks), allows for building a durable and stable power unit, prepared for operation in demanding conditions typical of BMW SUVs.

Application in BMW X5 E70 LCI and X6 E71 40dX

The presented engine block is intended for BMW X5 E70 LCI and BMW X6 E71 models in the 40dX version, where the N57S/N57D30B unit is responsible for vehicle propulsion. Since it is a bare engine block, it is possible to transfer accessories, wiring harnesses, and control units from the previous engine, which facilitates maintaining full compatibility with the factory car configuration.

The six-cylinder inline diesel unit fits well with the character of these models – it provides appropriate flexibility, smooth operation, and potential for further use with proper service maintenance. The N57 family engine is often chosen for post-accident repairs, overhauls, or when replacing a unit after a mechanical failure.

Condition, mileage, and benefits of purchasing a used engine block

The engine is offered as a used component, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. The declared mileage is important information when planning further operation – based on this, the scope of additional service work (e.g., seals, lubrication system check) can be determined after installation in the vehicle.

Purchasing a used engine block with a new timing chain is a reasonable compromise between cost and durability. For many BMW users, this is a way to restore the car's full performance while maintaining factory driving characteristics, without the need to invest in a complete new engine.

Selection by part numbers and expert support

When selecting a component such as a bare engine block, it is crucial to match it by OEM number and interchangeable numbers, as well as to verify compatibility with the specific vehicle equipment version. In case of doubt, it is worth using the VIN number and service documentation to avoid problems with component and control compatibility.

If you want to better understand how to safely and consciously buy used power units, the expert guide will be useful: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection by VIN/OEM, common myths about used engines, and cost proportions compared to new parts.

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 the available parts in the BMW Engines category.