BMW E39 M5 Bare Engine S62 508S1 400HP Petrol 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 E39 M5 Bare Engine S62 508S1 400HP Petrol with 99k miles, WARRANTY is a proposal for conscious users and workshops looking for an original BMW power unit in a bare engine configuration, intended for professional swaps, overhauls, or rebuilding to factory M5 specifications. The used V8 engine block serves as a solid base for further assembly of accessories and configuration in accordance with project requirements.

Specifications and technical data

• SKU: RHD-7830048
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7830048
• Substitutable numbers: 7830048, 11007830048, 11007830047, 7830047
• Fuel type: Petrol
• Number of cylinders: 8
• Category: Engines
• Engine code: 508S1
• Mileage: 99 000

Technical characteristics of the S62 engine

The presented bare engine belongs to the Engines category and represents the sporty BMW V8 unit from the S62 family, designed for the E39 M5 model. The construction based on eight cylinders in a V-configuration, powered by petrol, ensures high power potential and a characteristic, dynamic performance. The engine code 508S1 identifies the specific variant used factory-wide in the M5, which facilitates the selection of appropriate accessories, ECU, and accompanying components.

A bare engine means you receive the base block with cylinder heads, ideal for completion according to your own project assumptions – from reconstructing the serial specification to more advanced track or road modifications. This configuration is particularly valued by workshops specializing in the BMW brand, as it allows for full control over the selection of accessories and the overhaul stage.

Application and mounting potential

The S62 engine in the bare block version is intended primarily for the BMW E39 M5, where it serves as the heart of the 400 HP drivetrain. Thanks to the preservation of the original V8 architecture, this unit is perfectly suited both for direct replacement in an existing M5 and for advanced swap projects in other BMW bodies, carried out by experienced workshops.

A used engine block with verified mileage provides a good base for:

• a comprehensive overhaul with the replacement of wear-and-tear parts,
• building an engine for sports or track applications,
• recreating the original E39 M5 specification in collector projects.

The V8 petrol unit provides the characteristic refinement and flexibility appreciated by BMW enthusiasts, especially when combined with a manual transmission and rear-wheel drive.

Condition, origin, and performance parameters

The offered engine block comes from dismantling and is classified as a used part, which means that detailed verification and potential refreshing according to the workshop's standards are recommended before installation. Information about the mileage allows for better planning of the scope of repair work, such as checking the crankshaft-piston system, cylinder heads, seals, or valve guides.

For professional services and tuners, it is also important that the engine has an assigned OEM part number and interchangeable numbers, which facilitates identification in catalogs and the selection of compatible components. This allows for precise matching of, among others, accessories, wiring harness, engine control unit, as well as cooling and lubrication system elements.

Benefits of choosing an original BMW engine block

Choosing an original S62 engine block for the BMW E39 M5 is a solution that allows you to maintain the structural consistency of the vehicle and avoid compromises typical of aftermarket replacements. The factory architecture of the unit guarantees proper fitment with mounts, transmission, and exhaust system, which translates into more efficient installation and fewer modifications.

Additionally, by using an original engine from the BMW family, you gain:

• easier access to service documentation and repair procedures,
• the ability to use stock ECU maps as a starting point for tuning,
• greater predictability of the unit's behavior after overhaul or modifications.

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 blocks, heads, or complete power units, check the available parts in the BMW Engines category.

Technical knowledge and operation

When working with BMW units, including the S62 series, it is crucial to understand typical weak points and properly prepare the engine before installation. For users interested in a broader context of BMW unit failure rates in other models, the article describing critical constructions in the E90 series may be helpful – you can find it here: Faulty BMW E90 engines – a practical guide to problematic units.

If you want to maximize the lifespan of the used engine block and other dismantled parts, it is worth familiarizing yourself with practical tips regarding maintenance and operation, described in the guide: How to extend the life of used car parts. Thanks to this, you will better plan the process of engine preparation, break-in after overhaul, and further service maintenance.