Automatic Gearbox Rotational Speed Sensor Input Mini R55 R56 R57 R60 7551107

Description

Automatic Gearbox Rotational Speed Sensor Input Mini R55 R56 R57 R60 is a precision component from the Automatic transmission parts category, designed for use with automatic transmissions in Mini vehicles. It is responsible for reliable rotational speed readings, which directly impacts gear shift smoothness, drivetrain stability, and the correct operation of the transmission control unit.

Specifications and technical data

• SKU: 7551107
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7551107
• Substitutable numbers: 7551107, 24157551107
• Gearbox type: Automatic
• Category: Automatic Transmission Parts

Function and application of the rotational speed sensor

The automatic gearbox rotational speed sensor in Mini models with automatic transmissions is responsible for generating an input signal for the transmission control unit. Based on this data, the control module selects shift points, controls clutch engagement, and coordinates operation with the drivetrain.

Using the correct sensor in Mini R55, R56, R57, and R60 series vehicles helps maintain:

• stable shift points in automatic mode,
• proper transmission response to load and vehicle speed,
• consistent operation with the vehicle’s electronic systems.

Benefits of using an original Mini component

Selecting a sensor dedicated to the Mini automatic transmission reduces the risk of communication errors with the vehicle’s electronics. The appropriate signal characteristics and structural fit to the transmission housing facilitate trouble-free installation and correct operation with the factory controller.

The main advantages of using this component include:

• compatibility with the automatic transmission control system,
• preservation of factory transmission operating parameters,
• reduction of the risk of errors and transmission limp mode.

Installation and operational characteristics

The Mini automatic gearbox rotational speed sensor is designed for installation in a specific type of automatic transmission, which facilitates its seating in the transmission housing and connection to the electrical harness. Proper sealing of the socket and stable mounting contribute to maintaining tightness and resistance to operating conditions in the engine bay.

During replacement, it is recommended to:

• check the condition of the electrical connector and harness,
• inspect the mounting socket in the transmission housing,
• clear any errors in the controller after installation.

Product condition and selection based on technical data

The offered sensor is an aftermarket component, which allows for cost-effective drivetrain repair while maintaining proper operating parameters. Thanks to manufacturer markings and reference numbers, it is possible to precisely verify compatibility with a specific version of the Mini automatic transmission.

If you want to consciously compare original, replacement, and used solutions in terms of costs, quality, and fitment based on manufacturer markings, it is worth reading the article: Original, replacement, or used – which car parts are the most cost-effective?.

Expanding repairs within the Mini automatic transmission

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mini and need other components from the same group, such as solenoid valves, seals, or control elements, check out the available parts in the Mini automatic transmission parts category.