BMW E81 E87 E90 E91 X3 E83 Z4 E85 N46 Engine Exhaust Outlet Camshaft 7566993

BMW E81 E87 E90 E91 X3 E83 Z4 E85 N46 Engine Exhaust Outlet Camshaft is an original component from the Camshafts group, designed for operation in the N46 engine exhaust system. This used BMW part ensures proper compatibility with the factory engine equipment, maintaining the parameters specified by the manufacturer. It is a solution for users who expect compatibility with specific BMW models while maintaining reasonable maintenance costs.

Specifications and technical data

• SKU: 7566993
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7566993
• Substitutable numbers: 7566993, 11317566993, 7500930, 11317500930
• Category: Camshafts

Purpose and function in the N46 engine

The presented exhaust camshaft is responsible for the precise control of the exhaust valve opening in the N46 engine used in BMW 1, 3, X3, and Z4 series models. A properly selected camshaft allows for maintaining the correct engine operating characteristics, stable idle speed, and proper cylinder filling and exhaust gas discharge.

By maintaining the factory cam geometry and proper interaction with the cylinder head and tappets, this component helps maintain correct engine dynamics, smooth operation, and predictable load response. This is particularly important in BMW gasoline engines, where the timing system has a direct impact on performance and fuel consumption.

Benefits of using an original BMW camshaft

Using an original BMW exhaust camshaft instead of a worn or damaged component allows you to:

• maintain compliance with the factory N46 engine specification,
• preserve proper interaction with other timing components,
• minimize the risk of improper exhaust valve operation,
• reduce the possibility of additional vibrations and noise within the cylinder head.

For the user, this means more predictable vehicle behavior, stable engine operation, and the possibility of continued use without the need for costly modifications. The original origin of the component also facilitates easier diagnostics and future servicing.

Condition, fitment, and service application

The offered exhaust camshaft is a used part, which allows for economical repair while maintaining a component consistent with BMW factory solutions. This type of element is particularly useful during cylinder head overhauls, replacing a worn camshaft, or restoring an N46 engine to proper operation after a timing system failure.

The selection of the correct camshaft for a specific vehicle should always be verified based on the OEM part number and interchangeable numbers, which facilitates the identification of compatibility with a given engine version and vehicle year. Proper fitment reduces the risk of installation problems and incompatibility with other equipment.

Professional use in service and workshop

This type of exhaust camshaft is frequently used by workshops specializing in the BMW brand, especially when repairing N46 units in E81, E87, E90, E91, X3 E83, and Z4 E85 models. A used original part allows for high-quality repairs while reducing costs compared to purchasing a new component.

For service centers and individual users, it is important that Camshafts of this type are designed for long-term operation in demanding thermal and mechanical conditions, typical for the exhaust system of a gasoline engine. Proper installation and inspection of the condition of cooperating elements (tappets, bearings, lubrication) allow for maximizing the potential of this part.

If you are planning a comprehensive repair or upgrade of your BMW engine area and need other elements from the same group, such as additional camshafts, cam-cooperating elements, or timing control components, check the available parts in the BMW Camshafts category.

To compare the characteristics of different drive solutions and better understand the impact of engine design and equipment on performance, it is worth reading the material describing sports units and their modifications, available in the article Audi RS vs other models – what is hidden under the hood and chassis?.