Timing Sprocket Mini R55 R56 R57 Cooper S N14 Oil Pump Chain Wheel 7547955

The Mini R55 R56 S N14 Timing Gear Oil Pump is a precision drivetrain component from BMW, responsible for transferring power to the oil pump in the N14 engine. A properly selected gear ensures stable timing operation, correct engine lubrication, and reduces the risk of costly failures.

Specifications and technical data

• SKU: 7547955
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7547955
• Substitutable numbers: 11367547955, 7547955, BG
• Category: Other Engine Parts

Purpose and Function in the Timing System

The presented timing gear works with the oil pump in the N14 engine used in Mini R55 and R56 S models. Its task is to mechanically couple the timing system with the oil pump, ensuring continuous, stable oil pressure across the entire engine speed range.

The proper condition of this component directly impacts:

• correct lubrication of cooperating engine sub-assemblies,
• maintenance of adequate oil pressure under various load conditions,
• reduction of wear on timing and oil pump components,
• decreased risk of engine seizure.

Construction, Fitment, and Compatibility

The gear belongs to the Gears category, meaning it operates in direct mesh with other drivetrain components. The tooth geometry and mounting method are adapted to the specific requirements of the N14 engine, ensuring proper interaction with the oil pump and other timing components.

Original origin from the BMW group translates to adherence to factory manufacturing tolerances, which facilitates installation and allows for seamless integration with the existing system. The product has an assigned OEM part number and interchangeable numbers, enabling unambiguous identification and verification of compatibility with a specific engine configuration without the need for modifications.

Characteristics of a Used Component

The offered timing gear is a used part, allowing for economical repair while maintaining the original manufacturer's specifications. This type of component, with proper operation and regular oil changes, features a durable construction and can be successfully used as a replacement for a worn or damaged part.

Choosing a used OEM component is particularly beneficial in situations where maintaining the engine's original operating characteristics is a priority, while simultaneously optimizing service costs. This solution allows for the restoration of correct lubrication system operation without altering the manufacturer's design.

Benefits of Using an Original Oil Pump Gear

Using the correct timing gear for the oil pump in the Mini R55/R56 S N14 offers a range of practical benefits:

• Stable Lubrication System Operation – proper power transfer to the oil pump reduces pressure fluctuations and supports even engine lubrication.
• Improved Engine Protection – an efficient oil pump drive reduces the risk of overheating and excessive friction of moving parts.
• Maintenance of Factory Parameters – original tooth geometry and fitment for the N14 engine promote quiet, predictable timing operation.
• Cost-Effective Repair – a used OEM part allows for reduced service costs while maintaining high manufacturing quality.

Technical Support and Additional Information

Before installation, it is recommended to verify the part's compatibility with the specific engine version and consult a mechanic specializing in N14 units. A correctly selected gear, installed according to the manufacturer's procedure, contributes to the safe and predictable operation of the entire drivetrain.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as gears, sprockets, or other drive components, check the available parts in the BMW Gears category.

For comparison of design solutions used in sports compacts and inspiration when planning drivetrain upgrades, you can refer to an article describing the evolution of the popular hot-hatch: Hot-Hatch Legend: The Evolution of the VW Golf GTI from Mk1 to Mk8 – Design Changes and VW Car Parts.