Automotive crankshaft phase eccentric shaft sensor compatible with BMW 1 Series 3 Series X1 X3 Z4 models black engine position camshaft replacement part with 11377506503 model number
BMW 11377506503 crankshaft phase eccentric shaft sensor replacement for 1, 3, X1, X3 and Z4 series

This automotive crankshaft phase eccentric shaft sensor provides a direct replacement solution for BMW owners needing to address engine position sensing issues. Manufactured to match the specifications of original equipment, the sensor carries the 11377506503 model number, ensuring compatibility with BMW's 1 Series, 3 Series, X1, X3, and Z4 vehicle platforms. The black-coloured sensor is designed to integrate with existing engine management systems, monitoring crankshaft position to support optimal ignition timing and fuel injection control.
Features and Construction

The sensor is constructed using automotive-grade materials suitable for engine compartment environments where temperature fluctuations and vibration are common. While specific material details are not provided, the manufacturing follows standards appropriate for engine position sensing applications in modern vehicles.
Material and Build
Built to withstand typical engine bay conditions, the sensor housing provides protection for internal sensing components. The black exterior finish is consistent with automotive sensor manufacturing standards. Electrical connections are designed to interface with BMW's existing wiring harnesses, though connector types are not specified in the available product information.
Size and Practical Fit
As a direct replacement component, the sensor dimensions correspond to the original 11377506503 specification. Installation requires matching the sensor to the designated mounting location on the engine, typically near the crankshaft pulley or flywheel area. BMW owners should verify their specific engine variant compatibility, as sensor requirements can vary between model years and engine configurations.
Uses and Placement

This sensor serves a critical function in modern BMW engine management systems, providing real-time crankshaft position data to the vehicle's ECU. Proper operation affects ignition timing, fuel injection sequencing, and potentially variable valve timing systems where applicable.
Event or Professional Use
Professional mechanics and technicians will recognize this sensor as addressing common failure points in BMW engine systems. Symptoms of a failing crankshaft position sensor typically include difficult starting, intermittent stalling, or illumination of check engine lights with relevant fault codes. The 11377506503 replacement allows for efficient workshop repairs without requiring extensive diagnostic time for compatibility verification.
Everyday Home Use
For BMW owners performing their own maintenance, this sensor provides a straightforward replacement option when addressing engine running issues. The confirmed model number compatibility reduces the risk of purchasing incorrect parts, though proper installation procedures should be followed to avoid damage to the sensor or engine components. Basic mechanical knowledge and appropriate tools are recommended for installation.
Benefits and Buying Value

The primary value of this sensor lies in its confirmed compatibility with specific BMW models, reducing the uncertainty often associated with aftermarket automotive parts. The black colouration matches typical engine bay components, maintaining a factory-appearance installation.
Reuse and Low Maintenance
As a replacement sensor, this product addresses a single point of potential engine system failure. Once installed, the sensor requires no routine maintenance beyond general engine care. Proper installation following manufacturer procedures should provide normal service life appropriate for the vehicle application.
Why Choose This Product
This sensor offers BMW owners a compatible replacement option with verified model applications. The 11377506503 designation provides confidence in fitment for the listed vehicle series. While performance claims cannot be made without supporting data, the product addresses a specific replacement need with clear compatibility information.





