BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor 8644376

BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor is an original component designed for precise control of the engine unit in selected BMW and Mini models. This specialized sensor is responsible for accurately determining the position of the crankshaft, which is crucial for proper ignition and fuel injection control. By using an OEM component, high compatibility with the vehicle's factory electronics and stable engine operation are maintained.

Specifications and technical data

• SKU: 8644376
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8644376
• Substitutable numbers: 8644376, 13628644376
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the sensor

The crankshaft position sensor in BMW G20, G30, F40 models and selected Mini F54, F56, F60 versions works with the engine control system, providing the controller with a signal regarding the current position and rotational speed of the crankshaft. Based on this data, the control unit determines the ignition timing and fuel dosage, which affects engine refinement, dynamics, and fuel consumption. A properly functioning sensor helps reduce issues with starting, rough idling, or sudden engine stalling.

Benefits of using an original BMW component

Using an original crankshaft position sensor dedicated to specific BMW and Mini models ensures:

• full compatibility with the factory engine controller and wiring harness,
• a stable measurement signal, supporting smooth engine operation,
• maintenance of engine performance parameters consistent with the manufacturer's specifications,
• reduced risk of error codes stored in the controller memory and entering limp mode.

For users expecting predictable vehicle behavior and repeatable engine performance, choosing an original BMW sensor is a safe and technically sound solution.

Characteristics and installation

The offered component comes from the BMW group and is intended for installation in engine units used in G20, G30, F40 platforms and selected Mini F-series models. The sensor design is adapted to the factory mounting socket in the engine block or housing, which facilitates replacement in service conditions. With proper installation, maintaining the cleanliness of the socket, and correctly connecting the electrical plug, it is possible to quickly restore proper crankshaft synchronization with the control system.

The item is offered in used condition, which allows for economical repair while maintaining the original manufacturer's specifications. Before installation, computer diagnostics and verification of the electrical system are recommended to rule out other potential sources of faults.

Application in diagnostics and operation

In the event of problems such as difficulty starting on a warm or cold engine, intermittent stalling while driving, or errors related to crankshaft and camshaft synchronization, the crankshaft position sensor is one of the first components to be diagnosed. Replacing it with a functional OEM component in many cases allows for restoring proper engine operation without the need to interfere with more complex sub-assemblies.

Due to the importance of the sensor signal for the entire control system, its proper operation affects not only driving comfort but also exhaust emissions and long-term engine durability.

Expanding knowledge and part selection

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as position sensors, control elements, or additional modules, check the available parts in the Other BMW category.

For a better understanding of the differences in the design and characteristics of engine units and their accessories, including advanced solutions used in sports versions, it is worth reading the material comparing different engine and drivetrain configurations: Audi RS vs other models – what is hidden under the hood and chassis?.