BMW F20 F21 F22 F30 F31 Balance Shaft Gear Wheel Diesel B47 N47 7802575

BMW F20 F21 F22 F30 F31 Balance Shaft Gear Wheel Diesel B47 N47 is a precision timing and crankshaft drive component designed for BMW diesel engines. It is responsible for stable torque transmission and correct synchronization of the powertrain, which directly impacts engine performance and durability. Thanks to the use of original gear geometry, the wheel ensures proper meshing with other system components.

Specifications and technical data

• SKU: 7802575
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7802575
• Substitutable numbers: 7802575, 11277802575
• Fuel type: Diesel
• Part type: Sprocket
• Category: Sprockets

Purpose and function in a diesel engine

The presented crankshaft gear wheel is dedicated to Diesel engines, where the precision of the timing system is crucial for correct fuel injection and stable operation across the entire rev range. This component works with other gears and the crankshaft, ensuring the correct gear ratio and maintenance of specified timing phases.

In BMW B47 and N47 series diesel engines, the crankshaft gear wheel is responsible for:

• stable power transmission to other timing system components,
• maintaining proper synchronization of the crankshaft with other sub-assemblies,
• reducing torsional vibrations within the drive system.

Design and fitment in the Gears category

As an element from the Gears category, the wheel has been designed to maintain appropriate rigidity and resistance to the loads characteristic of BMW diesel engines. The properly selected tooth profile and spacing allow for smooth cooperation with the chain or other gears in the system, minimizing the risk of excessive wear.

The original BMW origin ensures that factory dimensional tolerances are maintained, which translates into a correct fit with the crankshaft and other system elements. As a result, the gear wheel can be used both for standard maintenance replacements and for more extensive service work related to engine overhauls.

Condition, verification, and operational safety

The item is offered as a used part, which allows for economical repair while maintaining the manufacturer's original specifications. Before installation, it is recommended to thoroughly inspect the working surfaces of the teeth, the mounting seat, and any signs of wear to ensure trouble-free cooperation with other timing system components.

Selecting the correct crankshaft gear wheel for a specific BMW engine should be based on the OEM number and interchangeable numbers, as well as vehicle identification data. If you have any doubts regarding fitment, the following practical guide may be helpful: Guide: how to choose the right car part by VIN and OEM number, which discusses the part compatibility verification process step by step.

Application in service and engine modernization

The crankshaft gear wheel in BMW diesel engines is particularly important during work related to timing chain replacement, crankshaft repair, or comprehensive engine overhauls. Replacing this component with a properly selected equivalent helps reduce the risk of timing chain skipping, uneven engine operation, or incorrect phase settings.

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other elements from the same group, such as idler gears, camshaft gears, or auxiliary drive gears, check out the available parts in the BMW Gears category.

Summary of benefits of using the BMW crankshaft gear wheel

BMW F20 F21 F22 F30 F31 Balance Shaft Gear Wheel Diesel B47 N47 is a solution intended for users who expect compliance with factory specifications and stable engine operation. The use of original gear geometry, compatibility with diesel engines, and suitability for professional service make it a functional choice for repairs and modernizations of the timing system in BMW vehicles.