The BMW Universal Joint (part number 26117511454) is a crucial component in the vehicle’s drivetrain system. It allows for the transmission of power between the drive shaft and the differential, accommodating the movement and alignment changes between these parts. This flexibility is essential for smooth and efficient vehicle operation, ensuring that power is consistently delivered to the wheels, even as the vehicle navigates various terrains and conditions.
Specifications
Here are the technical specifications for the BMW Universal Joint (Part Number: 26117511454):
- Dimensions: LK = 96mm/12
- Materials Used: Manufactured by BMW, ensuring high-quality materials for durability and reliability
- Compatibility:
- BMW 1 Series: 128i (2008-2013), 228i (2014-2016), 230i (2017-2020)
- BMW 2 Series: 228i xDrive (2015-2016)
- BMW 3 Series: 320i (2013-2018), 320i xDrive (2013-2018), 323Ci (2000), 323i (1999-2000, 2006-2011), 325Ci (2001-2006), 325e (1984-1987)
- BMW 4 Series: 430i (2017-2020), 430i Gran Coupe (2017-2020)
- BMW 5 Series: 528i (2016)
- BMW M Series: M2 (2016-2023), M3 (1988-1991)
- BMW X Series: X3 (2011-2017), X4 (2017-2018), X5 (2000-2018), X6 (2017-2019)
This part is a direct replacement for part numbers 26-11-1-209-168 and 26-11-7-500-004.
Functionality
The BMW universal joint (part number 26117511454) is a crucial component in the drivetrain. It connects different sections of the drive shaft, allowing for flexibility and movement. This joint ensures smooth power transmission from the engine to the wheels, accommodating the changes in angle and distance between the drive shaft sections as the vehicle moves. By doing so, it helps reduce vibrations and maintain a stable and efficient transfer of power.
Installation Process
Here are the steps to install the BMW universal joint (part number 26117511454), along with the necessary tools and precautions:
Tools Needed:
- Socket set
- Wrenches
- Torque wrench
- Screwdrivers
- Pry bar
- Hammer
- Safety glasses
- Gloves
- Jack and jack stands
Steps:
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Preparation:
- Park the vehicle on a flat surface and engage the parking brake.
- Lift the vehicle using a jack and secure it with jack stands.
- Wear safety glasses and gloves.
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Remove the Driveshaft:
- Locate the driveshaft and mark its position relative to the differential and transmission flanges for reinstallation.
- Use a socket set to remove the bolts securing the driveshaft to the differential and transmission flanges.
- Carefully lower and remove the driveshaft from the vehicle.
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Remove the Old Universal Joint:
- Use a pry bar and hammer to remove the retaining clips from the old universal joint.
- Press out the old universal joint using a press or a suitable tool.
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Install the New Universal Joint:
- Position the new universal joint in the driveshaft yoke.
- Press the new universal joint into place, ensuring it is seated correctly.
- Install the new retaining clips to secure the universal joint.
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Reinstall the Driveshaft:
- Align the driveshaft with the marks made during removal.
- Reattach the driveshaft to the differential and transmission flanges using the bolts.
- Torque the bolts to the manufacturer’s specifications using a torque wrench.
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Final Checks:
- Ensure all bolts are tightened to the correct torque.
- Lower the vehicle from the jack stands.
- Test drive the vehicle to check for any unusual noises or vibrations.
Precautions:
- Double-check the alignment marks to ensure proper reinstallation.
- Use the correct torque specifications to avoid over-tightening or under-tightening bolts.
- Inspect the driveshaft and surrounding components for any signs of wear or damage before reinstallation.
Following these steps and precautions will help ensure a proper fitment and optimal performance of the new universal joint. If you’re unsure about any part of the process, it’s always a good idea to consult a professional mechanic.
Maintenance Tips
Here are some maintenance tips for the BMW universal joint (part number 26117511454):
Inspection for Wear and Tear
- Visual Inspection: Look for any visible cracks, rust, or damage on the universal joint.
- Check for Play: Move the driveshaft by hand to check for any excessive play or looseness in the joint.
- Listen for Noise: Unusual noises like clunking or squeaking while driving can indicate wear.
- Grease Check: Ensure the joint is properly lubricated. Lack of grease can lead to premature wear.
When to Consider Replacement
- Excessive Play: If there is noticeable play in the joint, it’s time for a replacement.
- Noise: Persistent clunking or squeaking sounds are signs that the joint may be failing.
- Vibration: If you feel vibrations while driving, it could be due to a worn universal joint.
- Mileage: Consider replacing the joint as part of routine maintenance if your vehicle has high mileage, even if there are no obvious signs of wear.
Regular inspection and timely replacement of the universal joint can help maintain optimal vehicle performance and prevent further damage to the drivetrain.
Common Issues
Common Issues with BMW Universal Joint (Part #26117511454)
Signs of Failure:
- Squeaking Noise: Often heard when starting to move, either forward or in reverse.
- Clunking Noise: Noticeable when shifting from Drive to Reverse.
- Vibration: Felt at higher speeds due to worn bearings.
- Transmission Fluid Leak: Occurs from the back of the transmission.
Potential Causes:
- Lack of Lubrication: Grease evaporates or moves out of the bearing cup.
- Worn Bearings: Leads to metal contact and noise.
- Imbalance: Caused by excessive wear, leading to vibration.
- Seal Damage: Resulting from prolonged wear, causing leaks.
Troubleshooting Advice:
- Regular Inspection: Check for noise and vibration.
- Lubrication: Ensure bearings are properly greased.
- Replacement: Replace worn U-joints promptly to avoid further damage.
The BMW Universal Joint
The BMW Universal Joint (part number 26117511454) is a critical component of the drivetrain system, ensuring smooth power transmission from the engine to the wheels. It accommodates movement and alignment changes between drive shaft sections, reducing vibrations and maintaining efficient power transfer.
The joint is compatible with various BMW models, including the 1 Series, 2 Series, 3 Series, 4 Series, 5 Series, M Series, and X Series.
Importance of Regular Inspection and Replacement
Regular inspection and timely replacement of the universal joint can help maintain optimal vehicle performance and prevent further damage to the drivetrain.
Symptoms of Failure
- Squeaking noise
- Clunking noise
- Vibration
- Transmission fluid leaks
These symptoms may be caused by lack of lubrication, worn bearings, imbalance, or seal damage.
Troubleshooting Advice
- Regular inspection
- Proper lubrication
- Prompt replacement of worn U-joints