Compensating Shaft BMW E60 E87 LCI E90 N47 Balance Crankshaft Drive 8509300

BMW E60 E87 LCI E90 N47 Balance Shaft 8509300 is an original component of the vibration balancing system for N47 engines, designed for BMW 3 and 5 Series models. Thanks to its factory design, it ensures precise fit to the engine unit and stable operation of the crankshaft-piston assembly. This is a solution for users looking for a proven OEM component instead of replacements of unknown origin.

Specifications and technical data

• SKU: 8509300-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8509300
• Substitutable numbers: 8509300, 11278509300, 7805755, 11277805755, 8509964, 11278509964, 7811372, 11277811372, 7810454, 11277810454
• Category: Other Engine Parts

Purpose and Function of the Balance Shaft

The balance shaft in the N47 engine is responsible for reducing vibrations generated by the four-cylinder diesel unit, which translates into smoother engine operation and increased driving comfort. A properly selected and correctly installed component helps to limit the transfer of vibrations to the engine block, gearbox, and body.

For N47 units, the use of the correct balance shaft is important not only for the smoothness of operation but also for the durability of cooperating components such as bearings, seals, and accessory parts. Choosing an original BMW component helps maintain engine operating parameters in line with the manufacturer's specifications.

Benefits of Using an Original BMW Component

Compared to non-original replacements, the factory BMW balance shaft offers a number of practical advantages:

• maintaining the factory vibration damping characteristics in the N47 engine,
• secure fit to the housing and cooperating gears,
• manufacturer-designed rotating mass geometry,
• compatibility with other BMW drivetrain components.

As a result, after replacement, you can expect stable engine operation and a reduction in unwanted vibrations, which is particularly important in cars used daily and for long journeys.

Product Condition and Service Application

The offered balance shaft is a used part, allowing for an economical repair compared to purchasing a new part while maintaining the original BMW design. This type of component is often chosen for comprehensive N47 engine service work, such as engine overhauls, timing belt replacements, or eliminating excessive vibrations felt during acceleration.

Due to the specific nature of the balance shaft's operation, it is recommended to thoroughly inspect the condition of cooperating components before installation and to adhere to the service procedures specified for the given BMW model. This ensures a consistent repair outcome and extends the lifespan of the entire system.

Interchangeable Numbers and Part Identification

The presented balance shaft has an assigned OEM part number and related interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and service systems. This allows a mechanic or technical advisor to quickly verify compatibility with a specific N47 engine version installed in BMW E60, E87 LCI, or E90.

If there are any doubts during selection, it is advisable to compare the markings with the vehicle's documentation or to seek assistance from a specialist to ensure that the chosen part matches the configuration of the specific vehicle.

Further Knowledge and Related Products

If you are planning a broader drivetrain upgrade or service and are interested in how manufacturers differentiate engine, brake, and chassis designs in sports versions, you may find the article comparing top RS variants with series models useful – you can find it here: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.

If you are preparing for extensive work on the N47 engine and are also considering upgrading or refreshing your car's interior using used parts, you will find practical tips on choosing seats, steering wheels, and multimedia in the guide: Premium Interior for Half the Price: Used Seats, Steering Wheels, and Multimedia.

If you need other parts from the same brand besides the balance shaft, for example, for further drivetrain or engine accessory work, check the available parts in the category Other BMW.