The BMW Part Speed sensor 34526777435 is a crucial component in ensuring the optimal performance of your vehicle. This sensor plays a vital role in monitoring the speed of various parts, such as the wheels and transmission, providing essential data to the car’s computer system. By doing so, it helps maintain accurate speed readings, ensures smooth gear shifts, and contributes to the overall safety and efficiency of the vehicle.
Featuring high precision and durability, this sensor is designed to withstand the demanding conditions of modern driving, making it an indispensable part of any BMW’s functionality.
The BMW Part Speed sensor 34526777435 has the following technical specifications:
Dimensions: 75 mm x 45 mm x 20 mm
Weight: 200 grams
Compatibility: This speed sensor is compatible with various BMW models, including but not limited to:
730d Automatic (M57N) Sedan
730d Automatic (M57N2) Sedan
730i Automatic (M54) Sedan
730i Automatic (N52) Sedan
735i Automatic (N62) Sedan
735Li Automatic (N62) Sedan
740d Automatic (M67) Sedan
740i Automatic (N62N) Sedan
740Li Automatic (N62N) Sedan
745d Automatic (M67N) Sedan
745i Automatic (N62) Sedan
745Li Automatic (N62) Sedan
750i Automatic (N62N) Sedan
750Li Automatic (N62N) Sedan
760i Automatic (N73) Sedan
760Li Automatic (N73) Sedan
BMW ALPINA B7 Sedan
X5 3.0d (M57N) (10/2003 on)
X5 3.0i (M54) (10/2003 on)
X5 4.4i (N62) (10/2003 on)
X5 4.8is (N62) (10/2003 on)
X3 2.0d (M47N2) (- 09/2006)
X3 2.0i (N46) (- 09/2006)
X3 2.5i (M54) (- 09/2006)
X3 3.0d (M57N) (- 09/2006)
X3 3.0d (M57N2) (- 09/2006)
X3 3.0i (M54) (- 09/2006)
630i Convertible (- 09/2005)
630i Coupe (- 09/2005)
645Ci Convertible (- 09/2005)
645Ci Coupe (- 09/2005)
Gather necessary tools: Floor jack, jack stands, wheel chocks, 5mm hex socket, small flat-blade screwdriver, plastic trim removal tool, and the new speed sensor (BMW Part Speed sensor 34526777435).
Ensure safety: Park the car on a flat surface, engage the parking brake, and turn off the engine. Use wheel chocks to secure the wheels that remain on the ground.
Lift the vehicle: Use the floor jack to lift the car and place jack stands under the frame for support.
Remove the wheel: Unscrew the lug nuts and remove the wheel to access the speed sensor.
Locate the speed sensor: Find the speed sensor behind the brake rotor.
Disconnect the sensor: Unplug the sensor’s electrical connector and unhook it from any clips or brackets holding it in place.
Remove the old sensor: Use the 5mm hex socket to remove the bolt securing the sensor and carefully pull it out.
Install the new sensor: Position the new sensor in place and secure it with the bolt, torquing it to the manufacturer’s specifications (usually around 10 Nm).
Reconnect the sensor: Plug the electrical connector back in and secure any clips or brackets.
Reinstall the wheel: Put the wheel back on and hand-tighten the lug nuts.
Lower the vehicle: Use the floor jack to lift the car slightly and remove the jack stands, then lower the car to the ground.
Tighten the lug nuts: Fully tighten the lug nuts in a star pattern to ensure even pressure.
Test the installation: Start the car and check for any warning lights on the dashboard. Take the car for a short drive to ensure the sensor is functioning correctly.
To maintain the BMW Part Speed sensor 34526777435, follow these steps:
Regular Inspections: Check the sensor for any visible damage or corrosion. Ensure the wiring and connectors are intact and free from dirt or moisture.
Cleaning: Use a soft brush or compressed air to remove any dirt or debris from the sensor and its surroundings. Avoid using harsh chemicals that could damage the sensor.
Lubrication: Apply a small amount of dielectric grease to the electrical connectors to prevent corrosion and ensure a good connection.
Testing: Use a multimeter to check the sensor’s output voltage.
Compare the readings with the manufacturer’s specifications to ensure proper functioning.
Replacement: If the sensor shows signs of wear or malfunction, replace it with a genuine BMW part to maintain optimal performance.
By following these steps, you can help ensure the longevity and reliability of your BMW speed sensor.
Common issues with the BMW Part Speed sensor 34526777435 include:
Erratic Speedometer Readings: The speed sensor may provide inaccurate or fluctuating speed readings.
Solution: Check the sensor’s connections and wiring for any damage or corrosion. Ensure the sensor is properly seated and secured. If the issue persists, consider replacing the sensor.
ABS Light Illuminated: The Anti-lock Braking System (ABS) warning light may turn on, indicating a problem with the speed sensor.
Solution: Inspect the sensor for physical damage or debris.
Clean the sensor and its surroundings. If cleaning doesn’t resolve the issue, test the sensor’s functionality with a diagnostic tool and replace it if necessary.
Transmission Issues: The speed sensor can affect the transmission’s performance, leading to rough shifting or slipping gears.
Solution: Verify the sensor’s alignment and mounting. Check for any signs of wear or damage.
Use a diagnostic scanner to read any error codes related to the transmission and address them accordingly.
Dynamic Stability Control (DSC) Malfunction: The speed sensor is crucial for the DSC system, and a faulty sensor can cause stability control issues.
Solution: Inspect the sensor for proper installation and secure connections. Test the sensor’s output with a multimeter to ensure it is within the specified range. Replace the sensor if it fails the test.
Poor Fuel Efficiency: A malfunctioning speed sensor can lead to incorrect data being sent to the engine control unit, affecting fuel efficiency.
Solution: Check the sensor’s wiring and connectors for any signs of damage or loose connections.
Ensure the sensor is correctly positioned. If the problem continues, consider replacing the sensor.
By addressing these common issues with the appropriate troubleshooting steps, you can maintain the optimal performance of your BMW’s speed sensor.
The BMW Part Speed sensor 34526777435 plays a crucial role in maintaining the vehicle’s safety and performance. To ensure optimal functionality, it is essential to follow proper installation procedures and regular maintenance checks.
The correct installation involves positioning the new sensor in place, securing it with a bolt, reconnecting the electrical connector, reinstalling the wheel, lowering the vehicle, tightening the lug nuts, and testing the installation.
Regular inspections should be performed to check for any visible damage or corrosion on the sensor and its surroundings. Cleaning the sensor and its connections with compressed air or a soft brush can help prevent dirt and debris buildup. Lubricating the electrical connectors with dielectric grease can also help maintain a good connection.
Testing the sensor’s output voltage using a multimeter is crucial to ensure it is functioning correctly. If the sensor shows signs of wear or malfunction, replacement with a genuine BMW part is recommended.
Common issues with the speed sensor include erratic speedometer readings, ABS light illumination, transmission problems, DSC malfunctions, and poor fuel efficiency. Addressing these common issues requires troubleshooting steps such as inspecting the sensor’s connections and wiring for damage or corrosion, cleaning the sensor and its surroundings, testing the sensor’s output voltage, and replacing the sensor if necessary.
By following proper installation procedures and regular maintenance checks, vehicle owners can help ensure the longevity and reliability of their BMW speed sensor, maintaining optimal performance and safety on the road.
