Mini R55 R56 R57 R58 R59 R60 LCI Eccentric Shaft Sensor 7541677

Mini R55 R56 R57 R58 R59 R60 LCI Eccentric Shaft Sensor is a precision component from the Engine sensors and switches category, responsible for the accurate reading of the eccentric shaft position and the stable operation of the powertrain. As an original Mini component, it ensures proper cooperation with the factory engine control unit and reduces the risk of diagnostic errors.

Specifications and technical data

• SKU: 7541677-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7541677
• Substitutable numbers: 7541677, 11377541677
• Part type: Sensor
• Category: Engine Sensors & Switches

Function and importance of the eccentric shaft sensor

The eccentric shaft sensor in Mini R55–R60 LCI series models is responsible for synchronizing ignition and fuel injection, as well as correctly recognizing engine speed. A properly functioning component of this type:

• stabilizes idle operation,
• facilitates cold and warm starts,
• prevents sudden power drops and jerking,
• reduces the occurrence of errors in the engine control unit.

Thanks to the use of an original Mini solution, the correct signal characteristics are maintained, which is crucial for the durability of the powertrain and correct service diagnostics.

Compatibility with the Mini R55–R60 LCI range

The presented sensor has been designed for the Mini R55, R56, R57, R58, R59, and R60 platform after the LCI facelift, which allows for its use in a wide range of body and engine versions within this generation. The design based on the OEM standard facilitates installation in place of the factory component without the need for installation modifications or additional adapters.

Selecting the correct eccentric shaft sensor for a specific Mini car configuration is important for maintaining full compatibility with the controller software, which is why it is worth using components from the same model family.

Performance characteristics and advantages of use

Compared to low-quality replacements, the original Mini eccentric shaft sensor offers a stable signal and predictable behavior over a long period of operation. Key benefits include:

• reliable cooperation with the factory ECU – reducing the risk of incorrect readings and limp mode,
• maintaining factory engine operating parameters – proper fuel dosing and ignition timing,
• easier diagnostics – sensor readings are consistent with the manufacturer's specifications,
• installation in the standard mounting point – without interfering with the electrical harness.

This solution is recommended especially for symptoms such as starting difficulties, stalling on a warm engine, or unstable idle when diagnostics indicate an incorrect signal from the shaft sensor.

Condition, origin, and service application

The offered element comes from the group of original Mini components and is classified as a used product, which allows for an economical, yet technically correct repair of the engine control system. This type of part works great for:

• routine repairs after a sensor failure,
• preventive replacement during major powertrain service,
• restoring the factory configuration after previous modifications.

Thanks to maintaining the OEM standard, you can count on proper fitment with the mounting socket and correct connection to the existing electrical harness without additional modifications.

Expansion of the Mini engine control system

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other elements from the same group, such as temperature sensors, pressure switches, or additional position sensors, check the available parts in the Mini engine sensors and switches category.

For drivers interested in a broader look at the durability and operating costs of diesel units, an article comparing popular BMW engines may be useful – you can find a detailed analysis of performance, reliability, and prices of components from the secondary market in the material: BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels.