51237008745 – BMW Gas Pressurized Spring Hood Replacement Guide

51237008745 - BMW Gas Pressurized Spring Hood Replacement Guide

The BMW Part Gas Pressurized Spring, Hood 51237008745 is a crucial component in BMW vehicles, specifically designed to support the hood. This part, also known as the hood lift support, is responsible for holding the hood open and ensuring it stays securely in place when raised. It utilizes gas pressurization to provide the necessary force, making it easier for the driver or mechanic to access the engine compartment.

The primary function of this gas pressurized spring is to maintain the hood in an open position without the need for manual support.

This is particularly important for safety and convenience, as it prevents the hood from accidentally closing while someone is working under it. Additionally, it helps in distributing the weight of the hood evenly, reducing wear and tear on other components.

In terms of importance, the gas pressurized spring is essential for ensuring safe and efficient access to the engine bay. It enhances the overall functionality of the vehicle by providing a reliable and user-friendly mechanism for hood operation.

Without this component, the hood would need to be manually supported, which could be cumbersome and potentially hazardous.

Would you like to know more about how this part is installed or maintained?

Specifications

Dimensions: 330N Gas Pressurized Spring, Hood

Material: Steel

Pressure Rating: 330N

Compatibility: Fits 2004-2010 BMW models including 525i, 528i, 530i, 535i, and M5

Installation Process

  1. Gather Tools: You will need a socket wrench set, screwdrivers, a torque wrench, and safety gloves.

  2. Preparation: Ensure the vehicle is parked on a flat surface and the engine is off. Engage the parking brake.

  3. Access the Hood: Open the hood and secure it with a prop rod if necessary.

  4. Remove Old Spring: Locate the gas pressurized spring and use the socket wrench to remove the bolts securing it. Carefully detach the spring.

  5. Install New Spring: Position the new gas pressurized spring in place.

    Secure it with the bolts and use the torque wrench to tighten them to the manufacturer’s specified torque.

  6. Test Functionality: Close and open the hood several times to ensure the new spring is functioning correctly.

  7. Final Check: Double-check all bolts and connections to ensure everything is secure.

Precautions:

  • Safety First: Always wear safety gloves to protect your hands.

  • Avoid Over-tightening: Use the torque wrench to avoid over-tightening the bolts.

  • Check Alignment: Ensure the new spring is properly aligned before securing it.

Common Mistakes:

  • Forgetting to Engage Parking Brake: This can lead to the vehicle moving unexpectedly.

  • Over-tightening Bolts: This can damage the spring or the mounting points.

  • Not Testing Functionality: Failing to test the new spring can result in improper operation.

Maintenance Tips

To maintain the BMW Part Gas Pressurized Spring, Hood 51237008745, follow these steps:

  1. Visual Inspection: Regularly check the spring for any visible signs of damage, such as cracks, leaks, or corrosion.

  2. Operational Test: Open and close the hood several times to ensure the spring is functioning smoothly and holding the hood securely in place.

  3. Cleanliness: Keep the spring and its surrounding area clean from dirt, debris, and moisture to prevent corrosion and ensure proper operation.

  4. Lubrication: Apply a silicone-based lubricant to the moving parts of the spring to keep it operating smoothly and prevent sticking.

To check for wear and tear:

  1. Listen for Unusual Noises: Pay attention to any unusual sounds when opening or closing the hood, such as creaking or popping.

  2. Check for Movement: Ensure the hood stays in place when fully open and does not drop suddenly or move unexpectedly.

  3. Inspect for Leaks: Look for any signs of gas leakage around the spring, which could indicate a failing seal or damaged component.

Replace the part when:

  1. Loss of Functionality: If the spring no longer holds the hood open or fails to close it properly.

  2. Visible Damage: If there are cracks, leaks, or significant corrosion on the spring.

  3. Age and Usage: If the spring is over 5-7 years old or has been used extensively, consider replacing it as a preventive measure.

Regular maintenance and timely replacement will ensure the longevity and proper functioning of the gas pressurized spring.

Common Issues

Common issues with the BMW Part Gas Pressurized Spring, Hood 51237008745 include:

  1. Loss of Pressure: The spring may lose its ability to hold the hood up, causing it to drop suddenly or not stay open at all.

  2. Leakage: Gas leakage from the pressurized spring can lead to a loss of functionality.

  3. Corrosion: Exposure to moisture and road salts can cause corrosion, affecting the spring’s performance.

  4. Wear and Tear: Over time, the spring can wear out, leading to reduced efficiency and eventual failure.

Signs of malfunction include:

  • The hood not staying open when lifted.

  • The hood dropping unexpectedly.

  • Visible gas leakage from the spring.

  • Rust or corrosion on the spring.

Troubleshooting tips:

  • Check for Leaks: Inspect the spring for any signs of gas leakage. If found, the spring may need to be replaced.

  • Inspect for Corrosion: Look for rust or corrosion on the spring. Clean the affected area and apply a rust inhibitor.

  • Test Spring Functionality: Lift the hood and see if it stays open.

    If it doesn’t, the spring might be losing pressure and may need replacement.

  • Replace Worn Springs: If the spring is old or shows significant wear, consider replacing it with a new one to ensure proper functionality.

If these issues persist, it’s best to consult a professional mechanic for further diagnosis and repair.

The BMW Part Gas Pressurized Spring, Hood 51237008745

The BMW Part Gas Pressurized Spring, Hood 51237008745 is a crucial component in BMW vehicles that supports the hood and ensures safe access to the engine bay.

It utilizes gas pressurization to hold the hood open without manual support, preventing accidental closure while working under it.

Maintenance and Troubleshooting

Regular maintenance involves visual inspection, operational testing, cleanliness, and lubrication. Signs of malfunction include loss of pressure, leakage, corrosion, and wear and tear.

Troubleshooting tips include checking for leaks, inspecting for corrosion, testing spring functionality, and replacing worn springs.

Replacement Guidelines

It is essential to replace the part when it loses functionality, shows visible damage, or reaches 5-7 years of age. Regular maintenance ensures the longevity and proper functioning of the gas pressurized spring.

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