Mini One D R50 W17 Diesel Speed Sensor Crankshaft 7791126

The Mini One D R50 W17 Diesel Crankshaft Speed Sensor is an original diesel engine control component designed for precise measurement of crankshaft rotational speed. With factory specifications for the Mini brand, it ensures stable integration with the vehicle's electronics and proper engine operation. It's a practical choice for users seeking a tested, used component with retained functionality.

Specifications and technical data

• SKU: 7791126
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7805188
• Substitutable numbers: 13627805188, 7805188
• Fuel type: Diesel
• Category: Other Engine Parts

Purpose and Function of the Crankshaft Speed Sensor

The crankshaft speed sensor in the Mini One D R50 W17 is responsible for generating a reference signal for the engine control unit (ECU), essential for controlling fuel injection and injection timing in the Diesel engine. A correctly functioning component allows for:

• stable engine starting in various operating conditions,
• smooth idling and operation under load,
• proper synchronization of the injection system with crankshaft revolutions,
• reduction of errors logged in the ECU's memory.

In case of starting problems, engine stalling, or synchronization-related errors, replacing the crankshaft speed sensor is one of the basic diagnostic steps.

Compatibility with the Mini One D R50 W17 Diesel System

The presented sensor is designed to work with the diesel engine in the Mini One D R50 W17, meaning it maintains the correct signal parameters for the factory ECU. Thanks to this:

• no adaptation or modification of the electrical system is required,
• compatibility with the factory ECU software is maintained,
• the risk of errors related to incorrect RPM readings is reduced.

This solution is particularly beneficial for users who want to restore proper powertrain operation without experimenting with aftermarket parts of uncertain characteristics.

Characteristics of the Used Component

The offered crankshaft speed sensor is a part from the Other category, sourced from disassembly and intended for reinstallation in a vehicle. A used component allows for economical restoration of engine control system functionality while maintaining original manufacturer specifications. Such parts are often chosen when:

• maintaining the engine's factory operating characteristics is important,
• repair costs are to be reduced while maintaining OEM quality,
• a damaged sensor needs to be replaced quickly without modifications.

Benefits of Using an Original Mini Sensor

Using an original crankshaft speed sensor in the Mini One D R50 W17 translates into a number of practical operational benefits:

• Stable Engine Operation – a correct signal from the sensor helps the ECU to precisely dose fuel.
• Improved Diagnostics – compatibility with factory parameters facilitates the work of diagnostic testers and error interpretation.
• Reduced Risk of Unplanned Failures – a functional sensor decreases the likelihood of sudden engine stalling due to loss of RPM signal.

This is particularly important in Diesel engines, where synchronization accuracy directly impacts the smoothness of operation and the durability of the ancillaries.

Related Categories and Technical Materials

If you are looking for other parts from the Other category dedicated to this brand, check out our offer for Other Mini, where you will find a wide selection of components for various models.

To compare the characteristics of sports powertrains with standard constructions, you can read the technical article Audi RS vs Other Models – What Lies Under the Hood and Chassis?, which shows the significant importance of precise sensors and control elements in modern engines.

If you are interested in the broader context of powertrain development in the Mini brand and the impact of ancillaries on the so-called "go-kart feeling," the blog post Go-Kart Feeling XXL: Used N18 Turbocharger vs B48 – What to Choose for a Mini Cooper S? may be helpful, discussing the selection of used OEM parts and their impact on driving characteristics.

Summary

The Mini One D R50 W17 Diesel Crankshaft Speed Sensor is a practical solution for users who want to restore proper diesel engine operation while maintaining factory specifications. A used, original part from the Other category allows for a technically correct repair without interfering with the vehicle's electrical system or software, which is particularly important in modern engine control systems.