BMW E90 E92 E93 M3 Bare Engine Block Housing Main Bearing S65 8513982

BMW E90 E92 E93 M3 Bare Engine Block Housing Main Bearing is the base structural component of the V8 powertrain, designed for the sporty 3 Series M3 models. The bare block provides a solid foundation for professional engine rebuilding or modification, allowing for the precise assembly of the crankshaft, pistons, and cylinder heads according to the user's requirements. This is a solution for those who want to maintain the original S65 architecture in their BMW while having full control over the configuration of the remaining components.

Specifications and technical data

• SKU: 0036844
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0036844
• Substitutable numbers: 0036844, 11110036844, 0442122, 11110442122, 0428222, 11110428222, 7837647
• Category: Engine Blocks

Purpose and compatibility

The BMW E90 E92 E93 M3 Bare Engine Block Housing Main Bearing has been designed for use in the sporty versions of the BMW 3 Series, generations E90, E92, and E93 in the M3 variant. The block's construction is adapted to the characteristics of the high-revving V8 unit, which allows for the preservation of factory geometry, mounting points, and the layout of oil and cooling channels. As a result, it serves as a suitable base for both standard rebuilding and projects with increased performance requirements.

Structural characteristics

As an element from the Engine blocks category, this component plays a key load-bearing role for the entire powertrain. It ensures proper guidance of the crankshaft, precise seating of the cylinders, and stable mounting points for accessories and cylinder heads. The bare configuration means that the user can individually select the crankshaft, pistons, connecting rods, bearings, and other internal components, which is particularly important for overhaul projects, sports applications, or building an engine for specific track use.

Benefits of using an OEM used block

Choosing an original BMW block from dismantling allows you to maintain factory geometry and assembly compatibility with other elements of the S65 unit. This facilitates the mechanic's work, shortens fitting time, and minimizes the risk of compatibility issues. A used block is a good solution in situations where the existing unit has suffered mechanical or thermal damage, and repairing the existing casting is uneconomical. For workshops specializing in BMW M3, it serves as a practical base for building engines after a full overhaul.

Professional applications and use cases

This engine block will prove useful in several typical scenarios:

• comprehensive rebuilding of the S65 unit after mechanical failure or overheating,
• building an engine for sports applications with individually selected accessories,
• restoring original specifications in BMW M3 E90/E92/E93 restoration projects,
• replacing a damaged casting while maintaining serial operating parameters.

Because it is an original BMW component, the structural integrity of the entire powertrain is maintained, which is important for both durability and subsequent service diagnostics.

Condition and preparation for further work

The product is offered as a used item, which means that before installation, a detailed verification in a specialized workshop is recommended – in particular, checking the cylinder surfaces, mating surfaces, and main bearing housings. This approach allows for selecting the appropriate scope of machining (e.g., honing, resurfacing) and preparing the block for further, safe use in the demanding S65 unit.

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 other blocks, crankcases, or engine housings, check the available parts in the BMW Engine blocks category.

For those who are simultaneously working on the fuel supply and exhaust emission system in their car, a guide explaining the operation of the exhaust gas recirculation system and the selection of aftermarket components may be helpful – you can find details in the article EGR: what it is and why it is worth considering used EGR valves.