BMW E90 E91 E92 E93 325d M57N2 Diesel 306D3 Engine Cylinder Head 7792753

BMW E90 E91 E92 E93 325d M57N2 Diesel Engine Cylinder Head is an original component from the Cylinder Heads group, designed for M57N2 series diesel units in 3rd generation BMW E9x models. This is a solution for users who want to restore the proper operation of their diesel engine while maintaining factory specifications and solid OEM construction.

Specifications and technical data

• SKU: 7806060
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7806060
• Substitutable numbers: 11127806060, 7806060, 11127794922, 7794922, 11127790809, 7790809, 7792753, 7781203, KZ
• Fuel type: Diesel
• Category: Cylinder Heads

Purpose and compatibility

The presented cylinder head is dedicated to the BMW 325d M57N2 engine used in E90, E91, E92, and E93 bodies. The design, prepared for a diesel unit, ensures proper routing of intake and exhaust ports, correct placement of valve seats, and compatibility with the diesel injection system. As a result, this component provides the right foundation for professional repair of the top end of the engine in 3 Series cars with this type of powertrain.

Technical characteristics of the cylinder head

The cylinder head belongs to the BMW Cylinder Heads group, designed specifically for diesel engines. The construction provides for:

• precise mixture routing in intake and exhaust ports,
• proper placement of glow plug and injector seats,
• maintenance of factory combustion chamber parameters for the diesel unit,
• compatibility with original accessories and mounts used in the M57N2 series.

This type of cylinder head is a key element for maintaining proper compression, stable idle operation, and the correct combustion process in a diesel engine.

Application in engine repairs and regeneration

The used BMW engine cylinder head for the M57N2 unit is suitable for both standard replacement of a damaged component and more extensive overhaul work. It can be used as a base for:

• comprehensive regeneration of the engine's top end,
• restoration of factory engine performance parameters,
• restoring combustion system tightness after a previous cylinder head failure,
• professional engine rebuilding in vehicles used intensively.

For workshops specializing in the BMW brand, this is a practical solution that allows for shorter repair times and maintains consistency with the manufacturer's original design.

Benefits of using an original BMW cylinder head

Using an original cylinder head from the M57N2 family in a 325d engine allows for maintaining compliance with factory design specifications. The most important advantages include:

• factory fitment to the engine block and accessory system,
• maintenance of serial performance parameters of the diesel unit,
• possibility of using standard BMW service procedures,
• easier diagnostics and maintenance compared to aftermarket replacements of uncertain origin.

Thanks to this, the cylinder head provides a solid foundation for further service work, as well as for potential modifications within the limits intended for the M57N2 engine.

Condition and origin of the component

The offered engine cylinder head is a used component, which allows for economical repair while maintaining the original BMW design. Before installation, it is recommended to perform standard workshop procedures, such as checking flatness, verifying valve seats, and potential regeneration in accordance with procedures used for diesel cylinder heads. Such an approach enables safe preparation of the component for further operation in the demanding conditions of a diesel engine.

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 complete cylinder heads, cylinder head bodies, or additional mounting elements, check the available parts in the BMW Cylinder Heads category.

For those considering improving the performance of a diesel unit while keeping costs reasonable, valuable tips on using aftermarket components can be found in the article Tuning with used parts – how to gain performance without spending a fortune.