BMW E38 728i M52 Complete Engine 286S1 Petrol M52B28 193HP 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 E38 728i M52 Complete Engine 286S1 Petrol M52B28 193HP WARRANTY is a complete powertrain unit from the M52 family, designed for the 7 Series E38 models. This six-cylinder petrol unit ensures smooth operation, high refinement, and the characteristic linear power delivery expected from BMW, making it an attractive choice for engine replacement or overhaul.

Specifications and technical data

• SKU: 1438689-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1438689
• Substitutable numbers: 1438689, 11001438689, 1433021, 11001433021, 11001438688, 1438688, 11001433020, 1433020
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical characteristics of the M52B28 engine

The presented engine belongs to the M52 family, specifically the M52B28 version used in the luxury BMW 7 Series E38 sedans. The inline cylinder layout and petrol fuel system promote even torque development and calm, predictable engine operation. Thanks to its six-cylinder architecture, the engine maintains a high level of refinement, which is particularly important in premium-class vehicles.

The unit has been designed for long-term operation, provided that proper service parameters and assembly quality are maintained. The complete engine facilitates the replacement process, reducing the need for additional equipment and component matching, which translates into a more efficient repair process.

Application and selection for the BMW E38 728i

The engine is intended for use in BMW E38 728i models, where it serves as the primary power source in a longitudinal layout. The unit's design is compatible with the factory solutions used in the 7 Series, allowing for the preservation of the vehicle's original handling characteristics. Proper engine selection for a specific equipment version and production year should always be verified based on the VIN and OEM data.

In workshop practice, it is also important to match the unit to the existing electrical installation, engine control unit (ECU), and exhaust system. Using a complete engine from the same design family minimizes the risk of incompatibility and shortens installation time.

Benefits of installing a complete used engine

Choosing a complete used engine from the M52 family for the BMW E38 728i allows for significant cost savings compared to a full rebuild of an existing unit. A ready-to-install powertrain enables the repair to be carried out in a single stage, without the need for lengthy diagnostics and the replacement of many individual components. An additional advantage is the preservation of structural consistency – all engine elements come from the same configuration, which promotes stable operation after installation.

A used engine, when properly selected and installed, can provide a long period of further vehicle operation, especially when the unit's mileage is relatively low for this class of construction. This solution is often chosen by workshops specializing in the BMW brand and by users who want to restore their E38 to full efficiency without excessive budget strain.

Professional selection via OEM and VIN – expert support

To minimize the risk of incompatibility, it is recommended to compare engine data with vehicle documentation and use OEM and interchangeable numbers during the selection stage. Proper identification of the power unit helps avoid problems with the compatibility of accessories, the controller, or the fuel system. For users who want to deepen their knowledge about purchasing used power units, good installation practices, and real cost benefits, an expert guide has been prepared: Why it is worth buying used gearboxes and engines – facts instead of myths, which describes the process of selection by VIN and OEM step by step.

Expanding the powertrain within the BMW Engines category

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional blocks, short blocks, or complete power units, check out the available parts in the BMW Engines category.