BMW E60 E87 E90 118d 318d 120d 320d 520d Engine M47N2 Inlet Camshaft 7790595

The BMW E60 E87 E90 118d M47N2 Intake Camshaft is an original part from the Camshafts category, designed for the M47N2 engine in select BMW 1, 3, and 5 Series models. A used intake camshaft ensures proper cooperation with the factory camshaft system, maintaining the performance parameters set by the manufacturer. This is a solution for users who expect a proven part with stable valve train operating characteristics.

Specifications and technical data

• SKU: 7790595
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7790595
• Substitutable numbers: 11317790595, 7790595
• Category: Camshafts

Application and Compatibility with M47N2 Engine

The presented intake camshaft is designed to work with the M47N2 engine unit used in BMW E60, E87, and E90 models in the 118d version. Thanks to its factory lobe geometry and appropriate profile, it cooperates with standard lifters, rocker arms, and valve springs, maintaining correct timing phases and stable operation at idle and under load.

The selection of an original intake camshaft is particularly important in diesel engines, where the precision of cylinder filling control affects running smoothness, fuel consumption, and exhaust emissions. Using the correct part helps reduce the risk of uneven running, power loss, or problems with starting a warm or cold engine.

Technical Characteristics of the Intake Camshaft

The intake camshaft in the M47N2 engine is responsible for controlling the opening of the intake valves, thus directly influencing the amount of air drawn into the combustion chamber. The presented part maintains the factory:

• lobe geometry, ensuring proper lift and duration of intake valve opening,
• bearing journal arrangement, matched to the M47N2 cylinder head,
• cooperation with the camshaft's and cylinder head's standard lubrication system.

Thanks to this, the camshaft maintains the operating parameters intended for the M47N2 unit, which is important both for standard operation and after modifications to auxiliary systems (e.g., intake or exhaust systems), as long as they do not interfere with the camshaft system itself.

Benefits of Using an Original BMW Camshaft

Using an original intake camshaft in the M47N2 engine allows for the consistency of the entire camshaft system. Key benefits include:

• Factory Fitment – the camshaft is designed for the M47N2 cylinder head, minimizing the risk of issues with alignment, clearances, or improper lobe contact with lifters.
• Stable Operating Parameters – maintaining standard timing phases translates to predictable throttle response, smooth idle operation, and correct boost pressure and vacuum values.
• Seamless Integration with Components – the camshaft works with factory position sensors, sprockets, and the timing chain, facilitating diagnostics and service.

Service Purpose and Installation

The presented part is particularly useful for cylinder head repairs, M47N2 engine overhauls, or replacement of a worn camshaft showing signs of excessive wear on lobes or journals. Replacing the intake camshaft is recommended, among other situations, when:

• significant wear marks on the lobes or uneven wear of the working surfaces have been identified,
• there are compression issues resulting from incomplete sealing of the intake valves,
• the camshaft components have overheated and seized due to a lubrication system failure.

During installation, BMW service procedures regarding timing setup, camshaft bearing torque specifications, and valve clearance checks (if applicable to the specific configuration) must be followed. This allows for the full utilization of the part's potential and reduces the risk of subsequent intervention in the system.

Other BMW Camshafts and Technical Materials

If you are looking for other BMW camshafts for different models or engine versions, check out our dedicated category: BMW Camshafts. There you will find a wide selection of OEM parts for various generations and engine units of this brand.

For a comparison of design solutions used in other popular sports and compact models, an article discussing the evolution of one of the most famous hot hatches might be helpful – Hot Hatch Legend: Evolution of the VW Golf GTI from Mk1 to Mk8 – Design Changes and VW Car Parts. This provides a good supplement to knowledge about the differences in the construction and servicing of modern engine units.