Automotive Crankshaft Phase Eccentric Shaft Sensor for BMW 1 Series 3 Series X1 X3 Z4 Black 11377506503 Replacement Engine Component
Automotive Crankshaft Phase Eccentric Shaft Sensor for BMW 1 Series 3 Series X1 X3 Z4 Black 11377506503 Replacement Engine Component
Automotive Crankshaft Phase Eccentric Shaft Sensor for BMW 1 3 X1 X3 Z4 11377506503
This automotive crankshaft phase eccentric shaft sensor is a direct replacement component designed to restore accurate engine timing in select BMW vehicles. It matches OEM part number 11377506503 and is built to monitor the rotational position and speed of the crankshaft, which is essential for correct fuel delivery and ignition timing. The sensor comes in a black finish with a metal sensing element and is a straightforward swap for the original part on compatible BMW 1 Series, 3 Series, X1, X3, and Z4 models. No additional wiring or adapters are supplied.
Features and Construction
This sensor is a single-piece electronic component with no moving parts. Its construction includes a plastic body and a metal tip that reads the crankshaft's position using magnetic or Hall-effect principles.
Material and Build
The housing is made from black plastic that resists under-bonnet heat and vibration. The metal sensing tip is designed to withstand constant proximity to the rotating crankshaft reluctor wheel. This simple, sealed design does not require any maintenance after installation.
Size and Practical Fit
The sensor is sized to fit the dedicated mounting hole on the engine block of compatible BMW engines. It replaces the original part without modification. Specific physical dimensions are not supplied by the manufacturer, so verifying fitment against your existing sensor is recommended before purchase.
Uses and Placement
This sensor is a critical part of the engine management system. It sends a signal to the ECU, which uses that data to control spark timing and fuel injection.
Event or Professional Use
For professional mechanics and DIY enthusiasts, this sensor is a direct swap for a failed unit. No programming or special tools are required beyond basic sockets and screwdrivers. It is suitable for repair shops and home garages during scheduled maintenance or fault diagnosis.
Everyday Home Use
For the private car owner, replacing a faulty crankshaft sensor resolves common driveability issues such as stalling, hard starting, or an illuminated check engine light. It restores normal operation for daily commuting or leisure driving in compatible BMW models.
Benefits and Buying Value
Choosing this sensor means restoring a key engine input without paying for a branded OEM part. It offers a practical, no-frills solution for a known wear item.
Reuse and Low Maintenance
This sensor is a sealed, non-serviceable unit with no filters or fluids to change. It provides a long service life under normal operating conditions and requires only a one-time installation.
Why Choose This Product
This part is specified for multiple BMW chassis, reducing the risk of ordering the wrong component. It covers BMW 1 Series, 3 Series, X1, X3, and Z4 models that use part number 11377506503, making it a versatile spare for owners or workshops working across these ranges.
