Cylinder Head BMW F20 F21 LCI 114d 116d Diesel B37 Engine 8513677

Visual condition of the part 

The product shows signs of use visible in the photos. 

Cylinder Head BMW F20 F21 LCI 114d 116d Diesel B37 Engine is a professionally remanufactured powertrain component, designed for B37 series diesel engines in BMW F20 and F21 models. Careful machining and verification of operating parameters make this cylinder head a solid foundation for restoring the proper operation of a diesel engine.

Specifications and technical data

• SKU: 8513677
• Mark: BMW (Genuine OE)
• Condition: Remanufactured
• OEM Part Number: 8513677
• Substitutable numbers: 8513677, 11128513677
• Fuel type: Diesel
• Category: Cylinder Heads

Application and compatibility

The presented cylinder head is designed for BMW B37 series engines fitted in 114d and 116d models of the F20/F21 generation. The design, adapted for diesel units, ensures proper mixture flow, combustion chamber tightness, and stable cooperation with engine accessories.

By maintaining factory mounting parameters, the cylinder head allows for precise fitting to the engine block, timing system, and fuel system, which facilitates the mechanic's work and reduces the risk of issues during the first start-up after repair.

Technical characteristics of the cylinder head

The cylinder head has been designed for Diesel engine operation, which means appropriately selected intake and exhaust port geometry, optimized valve guidance, and adaptation to the high compression pressures typical of diesel units. The remanufacturing process includes restoring key mating surfaces to maintain tightness and proper exhaust and air circulation.

The surfaces mating with the block, valve seats, and sealing elements are restored, allowing for the use of standard gaskets and cylinder head bolts in accordance with the manufacturer's technology. This makes it possible to maintain proper thermal and mechanical parameters during operation.

Remanufacturing process and quality control

The remanufactured status means that the cylinder head has undergone a professional regeneration process, including disassembly, cleaning, machining, and detailed dimensional verification. The component is ready for further installation in the engine after applying new consumables (gaskets, bolts, fluids) in accordance with BMW service procedures.

Quality control focuses on key areas: flatness of the mating surface, channel tightness, thread integrity, and stability of accessory mounts. As a result, the cylinder head can operate in the demanding thermal and pressure conditions typical of modern BMW diesel engines.

Benefits of using a remanufactured cylinder head

Using a remanufactured cylinder head in a B37 engine allows for the restoration of proper compression, stable idle operation, and correct dynamics across the full rev range. This is a technically justified solution in the event of damage such as overheating, leaks, or valve seat wear.

Choosing an item from the Cylinder Heads category dedicated to the BMW F20/F21 reduces the risk of compatibility issues while allowing the engine to maintain its factory operating characteristics, which is important from the perspective of both durability and engine refinement.

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other items from the same group, such as cylinder head housings, valve covers, or mounting elements, check out the available parts in the BMW Cylinder Heads category.

Additional technical and operational information

Before installation, it is recommended to thoroughly check the cooling and lubrication systems to avoid re-damaging the cylinder head due to overheating or insufficient lubrication. Proper tightening of the cylinder head bolts according to the manufacturer's procedure and the use of high-quality coolant and engine oil are crucial for the durability of the entire system.

For users interested in a broader context of repairs using dismantled parts, practical tips on assessing the condition of parts and preparing them for installation may be useful, available in the article on replacing body parts with used car parts, which shows the approach to quality in the case of remanufactured and used components.