Cylinder Head Housing BMW E90 E60 E87 F10 F20 F30 Diesel Engine N47 N47N 7797511

Cylinder Head Housing BMW E90 E60 E87 F10 F20 F30 Diesel Engine N47 N47N is a precision timing system component designed for BMW four-cylinder diesel engines. It is responsible for the stable guidance of the camshafts, which translates into smooth engine operation and correct valve timing. By maintaining factory geometry, it serves as a solid foundation for professional cylinder head repairs in N47 engines.

Specifications and technical data

• SKU: 7797511
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797511
• Substitutable numbers: 11317797511, 7797511
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Cylinder Heads

Purpose and role in the N47 engine

The camshaft housing in the N47 engine is responsible for precise positioning of the camshafts relative to the cylinder head and maintaining proper operating clearances. In BMW four-cylinder diesel units, the stability of camshaft guidance is crucial for:

• maintaining correct valve timing,
• even opening and closing of valves,
• reducing noise and vibrations in the upper part of the engine,
• reducing wear on mating cylinder head components.

Replacing a worn housing with a functional part helps restore the correct operation of the timing mechanism, which is particularly important during cylinder head overhauls in BMW diesel engines.

Construction and fitment to the cylinder head

The housing has been designed as a component dedicated to cylinder heads used in N47 units, ensuring that proper oil channels and camshaft support points are maintained. The construction ensures:

• precise fitment with the cylinder head surface,
• stable seating of the camshaft plain bearings,
• correct routing of lubricating oil in the timing zone.

Such fitment reduces the risk of overheating and accelerated camshaft wear, which is significant during intensive operation of diesel engines.

Application in BMW diesel engines

The component is intended for BMW diesel power units featuring a four-cylinder configuration. In these types of engines, mechanical loads in the cylinder head area are high, which is why the proper condition of the camshaft housing has a direct impact on:

• idle stability,
• engine refinement at higher RPMs,
• durability of timing components and valves.

Selecting the correct housing is particularly important during comprehensive cylinder head overhauls, camshaft replacement, or restoring factory engine performance parameters.

Condition, verification, and benefits of installation

The offered housing comes from dismantling and is classified as a used part, which allows for economical repair while maintaining original BMW specifications. Before being offered for sale, components of this type are standardly verified for:

• absence of cracks and structural damage,
• condition of surfaces mating with the camshafts,
• correctness of cylinder head mounting points.

Using an original housing in place of a worn component helps reduce the risk of further damage within the cylinder head and facilitates maintaining stable engine performance in the long term.

Comprehensive BMW cylinder head area service

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 cylinder head housings, camshaft mounting elements, or components related to valve guidance, check the available parts in the BMW Cylinder Heads category.

For major overhaul work on the power unit, it is also worth checking out practical tips regarding engine condition verification – the article Buying a used engine: 5 things you must check before installation will be helpful, as it discusses key inspection stages before installing sub-assemblies.