Automotive crankshaft phase eccentric shaft sensor 11377506503 replacement part for BMW 1 Series, 3 Series, X1, X3, and Z4 models in black colour with single-unit packaging
Crankshaft phase eccentric shaft sensor replacement for BMW 1, 3, X1, X3, and Z4 models

This automotive sensor is specified as part number 11377506503, designed as a replacement component for several BMW vehicle series. It addresses the need for a compatible crankshaft phase eccentric shaft sensor when the original factory part requires replacement due to wear, fault, or maintenance schedules. The black finish maintains a consistent appearance with surrounding engine bay components. This product comes as a single complete unit, packaged ready for professional installation or competent DIY fitting.
Features and Construction

This replacement sensor is built to match the specifications required by the vehicle's engine management system. The source information confirms its application across multiple BMW model ranges.
Material and Build
The sensor features automotive-grade materials suitable for the temperature variations and vibration encountered in engine compartments. Its black exterior coating provides a standard finish that blends with factory components. The electrical connector is designed to interface with the existing vehicle wiring harness without modification.
Size and Practical Fit
The sensor matches the physical dimensions and mounting points of the original BMW component it replaces. This direct-fit design eliminates the need for adaptation brackets or modification to the engine block. The specific dimensional data is not provided in the source material, but compatibility is confirmed for the listed vehicle models.
Uses and Placement

This sensor serves a specific function within the vehicle's engine management system, monitoring crankshaft position and phase for optimal ignition and fuel injection timing.
Event or Professional Use
For automotive workshops and repair centres, this sensor provides a verified replacement part for common BMW models. The clear part number identification simplifies inventory management and ensures the correct component is used for each repair job. It supports efficient servicing of vehicles presenting with engine management fault codes related to crankshaft position sensing.
Everyday Home Use
For vehicle owners with appropriate mechanical skills and tools, this sensor enables the replacement of a failed component without requiring dealership parts procurement. The single-unit packaging contains everything needed for the replacement, assuming the installer has the necessary workshop manual information and standard tools. It addresses a specific mechanical need when diagnostic equipment indicates sensor failure.
Benefits and Buying Value

This product offers a focused solution for a particular automotive repair scenario, providing the exact component needed for several popular BMW models.
Reuse and Low Maintenance
As a replacement part, this sensor restores the vehicle's original monitoring capability once installed correctly. No ongoing maintenance is required for the sensor itself beyond ensuring its electrical connections remain secure. The product represents a single repair action rather than a consumable item requiring regular replacement.
Why Choose This Product
This sensor is identified by the specific part number 11377506503, which corresponds to the factory reference for this component across multiple BMW models. The confirmed compatibility with 1 Series, 3 Series, X1, X3, and Z4 vehicles provides clear application guidance. The product delivers the required hardware without additional accessories or unnecessary packaging.





