BMW F20 F21 114d 116d ed Diesel N47N Engine Cylinder Head 7812603

BMW F20 F21 114d 116d ed Diesel N47N Engine Cylinder Head is an original component from the Cylinder Heads group, designed for BMW 1 Series diesel engines with the N47N unit. This used cylinder head provides a solid foundation for professional engine repair or rebuilding, allowing you to maintain the factory performance characteristics of the power unit.

Specifications and technical data

• SKU: 7812604
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812604
• Substitutable numbers: 11127812604 7812603, 7812604
• Fuel type: Diesel
• Category: Cylinder Heads

Purpose and compatibility

The presented cylinder head is dedicated to BMW F20 and F21 models in 114d and 116d ed versions with the N47N Diesel engine. Using a component from the same engine family ensures proper operating parameters, correct intake and exhaust port flow, and seamless integration with engine peripherals.

By maintaining the original geometry and factory mounting points, the cylinder head allows for installation in accordance with BMW service documentation, without the need for structural modifications.

Technical characteristics of the cylinder head

The cylinder head designed for the N47N engine has been engineered to withstand the specific loads of diesel units, with an emphasis on thermal stability and efficient cooling. The design of the oil and coolant channels is optimized for uniform heat dissipation, which is crucial for the durability of the entire crankshaft-piston system and the valve train.

Properly shaped combustion chambers promote efficient fuel injection and air-fuel mixing, which translates into engine refinement, fuel economy, and exhaust emissions. Using the correct cylinder head in a diesel engine is key to maintaining sealing, compression, and proper cooperation with the injection system and turbocharging.

Condition and service application

The item is offered as a used cylinder head, making it an attractive cost-effective solution for major engine repairs, such as damage caused by overheating, cracks, or issues with valve seats. In workshop practice, this type of component often serves as a base for further machining – resurfacing, valve seat and guide regeneration, or the installation of new valve train components.

Choosing an original salvaged cylinder head allows you to maintain structural consistency with the rest of the engine while reducing costs compared to purchasing a new part. This solution is particularly beneficial for fleet repairs and vehicles in intensive use, where a reasonable balance between durability and budget is essential.

Benefits of using an original BMW cylinder head

• Maintaining factory design – the original casting and port geometry ensure compliance with BMW engineering standards.
• Consistency with engine peripherals – correct positioning of injectors, glow plugs, and timing system components.
• Possibility of professional regeneration – the cylinder head serves as a good base for further machining in a specialized service center.
• Reasonable repair cost – a used component helps lower the total cost of an engine overhaul while maintaining high functionality.

Expanding repairs within the BMW cylinder head area

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as housings, covers, or additional components related to the valve train, check out the available parts in the BMW Cylinder Heads category.

Technical support and part selection

When selecting a cylinder head for a specific version of the N47N engine, it is worth paying attention to compatibility with the power unit and equipment configuration. It is recommended to compare parameters with the vehicle's service documentation and consult with an experienced mechanic who will assess the scope of necessary work (resurfacing, leak testing, verification of mating surfaces).

If you are interested in a broader context regarding the use of salvaged components in modern cars, including selection rules based on manufacturer markings, compatibility, and best installation practices, check out the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.