BMW crankshaft phase eccentric shaft sensor part number 11377506503 black replacement component for BMW 1 series, 3 series, X1, X3 and Z4 models compatible direct fit automotive engine sensor
BMW Crankshaft Phase Eccentric Shaft Sensor Part 11377506503 for 1, 3, X1, X3 and Z4 Models

This black crankshaft phase eccentric shaft sensor carries the BMW part number 11377506503, making it a direct replacement component for several BMW vehicle models. It has been specified as compatible with BMW 1 Series, 3 Series, X1, X3, and Z4 models, providing owners and technicians with a verified part for engine sensor replacement tasks. The sensor is supplied as a single unit, ready for installation according to standard automotive repair procedures.
Features and Construction

This automotive sensor is designed to meet the specifications required for BMW engine management systems. Its construction and electrical characteristics are intended to match the original equipment manufacturer requirements for the listed vehicle applications.
Material and Build
The sensor is manufactured using automotive-grade materials capable of withstanding the temperature variations and environmental conditions found in engine compartments. The black finish provides a standard appearance consistent with many original BMW components. No specific material composition details are available beyond the colour specification.
Size and Practical Fit
The part number 11377506503 ensures physical and electrical compatibility with the vehicle's existing sensor mounting location and wiring harness. As a direct replacement component, it is designed to fit precisely without modification to the vehicle. Specific dimensional data has not been provided in the source material.
Uses and Placement

This sensor is a critical component in modern BMW engine management systems, monitoring crankshaft position and phase information. Accurate sensor data is essential for proper ignition timing, fuel injection sequencing, and overall engine performance.
Event or Professional Use
Automotive repair shops and dealership service departments can use this sensor for maintenance and repair work on the compatible BMW models. The verified part number reduces the risk of incorrect part selection when servicing customer vehicles experiencing sensor-related issues or during preventative maintenance.
Everyday Home Use
For BMW owners with mechanical skills and appropriate tools, this sensor provides a solution for DIY repair projects when the original sensor fails. Replacing a faulty crankshaft phase sensor can resolve engine starting problems, erratic running, or check engine warnings related to sensor circuitry.
Benefits and Buying Value

Purchasing this sensor with the correct part number offers several practical advantages for vehicle maintenance. The verified compatibility reduces uncertainty when ordering replacement parts for BMW vehicles.
Reuse and Low Maintenance
As a replacement sensor, it reinstates the original function of the vehicle's engine management system once installed. Proper installation following manufacturer procedures should provide reliable service without requiring special maintenance beyond normal vehicle care.
Why Choose This Product
This sensor offers a solution specifically identified by part number for BMW vehicles, which is crucial given the precise engineering of modern automotive systems. The confirmed compatibility with multiple BMW series (1, 3, X1, X3, Z4) makes it suitable for a range of vehicles within the brand's lineup, providing a targeted replacement option.





