The BMW Part Eccentric Shaft Sensor 11377524879 is a crucial component in BMW engines, particularly those equipped with the Valvetronic system. This sensor monitors the position of the eccentric shaft, which is responsible for adjusting the valve lift in the engine. By providing precise data on the shaft’s position to the engine control unit (ECU), it ensures optimal valve timing, which in turn improves fuel efficiency, reduces emissions, and enhances overall engine performance.
A malfunctioning sensor can lead to issues such as poor engine performance, hesitation, and rough idling, making it essential for maintaining the engine’s efficiency and reliability.
The BMW Part Eccentric Shaft Sensor 11377524879 is an integral component of the Valvetronic system in BMW engines. It measures the position of the eccentric shaft with high accuracy. This information is crucial for adjusting the engine’s valve lift, which in turn optimizes fuel economy and reduces emissions.
The sensor is mounted on the cylinder head beneath the valve cover.
It interacts with the Valvetronic motor, which actuates the eccentric shaft. The sensor provides feedback to the engine control unit (ECU), ensuring precise control of the variable intake valve lift. This precise control allows for better combustion efficiency and improved overall engine performance.
By continuously monitoring and adjusting the valve lift, the eccentric shaft sensor helps maintain optimal engine efficiency, leading to smoother operation and lower fuel consumption.
This contributes to a more environmentally friendly and cost-effective driving experience.
Common issues with the BMW Eccentric Shaft Sensor 11377524879 include oil contamination, sensor failure, and incorrect valvetronic timing. Symptoms indicating the sensor might need to be checked or replaced include rough idling, engine misfires, difficulty starting the engine, reduced fuel economy, and a noticeable lack of engine power and performance. Additionally, the sensor may become oil-soaked, leading to potential damage and failure.
Regular Inspection: Check the sensor for oil contamination every 10,000 miles. Remove the engine trim cover and inspect the sensor for oil presence.
Clean Sensor: If oil is detected, clean the sensor carefully with a lint-free cloth. Ensure no oil residue remains.
Replace Valve Cover Gasket: If oil contamination persists, replace the valve cover gasket to prevent future oil leaks.
Check Electrical Connections: Ensure all electrical connections to the sensor are secure and free from corrosion.
Use Quality Parts: When replacing the sensor, use genuine BMW parts or OEM equivalents to ensure compatibility and longevity.
Follow Manufacturer Guidelines: Adhere to BMW’s recommended service intervals and procedures for sensor maintenance.
Monitor Performance: Keep an eye on engine performance indicators such as fuel economy, starting issues, and overall engine power.
Address any anomalies promptly.
Professional Servicing: Have the sensor inspected and serviced by a qualified BMW technician during routine maintenance checks.
By following these best practices, you can help ensure the longevity and proper functioning of your BMW Eccentric Shaft Sensor 11377524879.
Set of sockets (including E8 and T25 Torx)
Flathead screwdriver
Valve cover gasket
Eccentric shaft sensor seal
Electrical terminal spray cleaner
Special BMW tool for releasing tension from the shaft springs and levers (if applicable)
Disconnect the Battery: Ensure the battery is disconnected to prevent any electrical accidents.
Allow Engine to Cool: Make sure the engine is completely cool before starting the replacement process to avoid burns.
Use Proper Tools: Always use the correct tools to avoid damaging components.
Work in a Clean Area: Ensure the work area is clean and free of any flammable materials.
Wear Safety Gear: Use gloves and safety glasses to protect yourself from any potential hazards.
Disconnect the Battery: Disconnect the negative terminal of the battery to ensure safety.
Remove the Valve Cover: Use the E8 Torx socket to remove the valve cover fasteners and lift the valve cover off the engine.
Locate the Eccentric Shaft Sensor: The sensor is located at the front of the cylinder head, under the valve cover.
Remove the Eccentric Shaft Sensor: Use the T25 Torx socket to remove the three fasteners securing the sensor. Carefully disconnect the electrical connector from the sensor.
Clean the Area: Use electrical terminal spray cleaner to clean the area around the sensor and the electrical connector.
Install the New Sensor: Place the new sensor in position and secure it with the T25 Torx fasteners. Reconnect the electrical connector.
Replace the Valve Cover Gasket: If necessary, replace the valve cover gasket to ensure a proper seal.
Reinstall the Valve Cover: Place the valve cover back on the engine and secure it with the E8 Torx fasteners.
Reconnect the Battery: Reconnect the negative terminal of the battery.
Test the Sensor: Start the engine and ensure that the sensor is functioning properly.
By following these steps, you should be able to replace the BMW Eccentric Shaft Sensor 11377524879 safely and effectively.
The BMW Part Eccentric Shaft Sensor 11377524879 is a crucial component in BMW engines, particularly those equipped with the Valvetronic system. It monitors the position of the eccentric shaft and provides precise data to the engine control unit (ECU), ensuring optimal valve timing and improving fuel efficiency, reducing emissions, and enhancing overall engine performance.
Regular maintenance and timely replacement are essential to maintain engine performance. Common issues include oil contamination, sensor failure, and incorrect valvetronic timing.
Symptoms indicating a problem include rough idling, engine misfires, difficulty starting the engine, reduced fuel economy, and a noticeable lack of engine power and performance.
To prevent these issues, it is recommended to check the sensor for oil contamination every 10,000 miles, clean the sensor if necessary, replace the valve cover gasket if oil contamination persists, and use quality parts when replacing the sensor. Additionally, following manufacturer guidelines and monitoring engine performance indicators can help ensure the longevity and proper functioning of the sensor.
