The BMW Part Inner Hex Bolt 34211161806 is a crucial component in BMW vehicles, known for its role in securing the brake rotor. This bolt ensures the stability and proper functioning of the braking system, which is essential for vehicle safety and performance. Typically, it is used in various BMW models from 1987 to 2024, including popular variants like the BMW X5 and 3 Series.
Its precise fitment and high-quality manufacturing make it indispensable for maintaining the integrity of the brake assembly.
Size: M8 x 14 mm
Material: High-grade steel
Unique Features:
Designed for direct replacement of the original part
Used in the front brake or brake disc assembly
Cannot be reused or reinstalled once removed
Gather Required Tools: Ensure you have a torque wrench, a hex key (specific size for the bolt), and safety gloves.
Prepare the Vehicle: Safely lift the vehicle and secure it on jack stands. Remove the wheel to access the brake caliper and rotor.
Remove Old Bolt: Use the hex key to remove the old inner hex bolt (part number 34211161806) from the rotor.
Install New Bolt: Align the new bolt with the hole in the rotor and insert it. Use the hex key to screw it in by hand.
Tighten the Bolt: Use the torque wrench to tighten the bolt to the manufacturer’s specified torque setting.
Reassemble Components: Reattach the brake caliper and rotor, then replace the wheel.
Lower the Vehicle: Carefully lower the vehicle back to the ground.
Test: Before driving, ensure everything is secure and test the brakes to confirm proper installation.
Regular Inspection: Check the bolt for any signs of wear, corrosion, or damage during routine maintenance.
Proper Torque: Ensure the bolt is torqued to the manufacturer’s specified torque settings to avoid over-tightening or under-tightening.
Lubrication: Apply a small amount of anti-seize lubricant to the threads to prevent seizing and make future removal easier.
Cleanliness: Keep the bolt and surrounding area clean from dirt, debris, and moisture to prevent corrosion.
Replacement: Replace the bolt if it shows any signs of damage or wear, as reusing bolts can compromise safety and performance.
Use Genuine Parts: Always use genuine BMW parts to ensure compatibility and reliability.
Follow BMW Service Schedule: Adhere to BMW’s recommended service intervals for inspecting and maintaining the bolt.
Common issues with the BMW Part Inner hex bolt 34211161806 include:
Stripped Threads: Over-tightening or improper installation can strip the threads, making it difficult to secure the bolt properly.
Corrosion: Exposure to moisture and road salts can cause the bolt to corrode, leading to rust and potential failure.
Wear and Tear: Continuous use and vibrations can cause the bolt to wear out, leading to loosening or breakage.
Incorrect Torque: Applying incorrect torque can either overtighten and strip the threads or leave the bolt too loose, causing instability.
Troubleshooting advice:
Inspect for Stripped Threads: If the bolt is difficult to tighten, inspect the threads for any signs of stripping. If stripped, replace the bolt.
Check for Corrosion: Regularly inspect the bolt for any signs of rust or corrosion. If found, clean the bolt and apply a rust inhibitor.
Monitor for Wear and Tear: Periodically check the condition of the bolt for any signs of wear.
Replace it if it shows significant wear.
Use Correct Torque: Ensure you are using the correct torque specifications when installing the bolt. Refer to the vehicle’s manual for the correct torque settings.
By addressing these common issues and following the troubleshooting advice, you can maintain the integrity and functionality of the BMW Part Inner hex bolt 34211161806.
The BMW Part Inner Hex Bolt 34211161806 is a critical component in BMW vehicles, responsible for securing the brake rotor and ensuring stability and proper functioning of the braking system. Its precise fitment and high-quality manufacturing make it indispensable for maintaining the integrity of the brake assembly.
The bolt is designed for direct replacement of the original part and is used in various BMW models from 1987 to 2024, including popular variants like the X5 and 3 Series.
To ensure proper installation, gather required tools such as a torque wrench, hex key, and safety gloves. Prepare the vehicle by safely lifting it on jack stands and removing the wheel to access the brake caliper and rotor. Remove the old bolt using the hex key, then install the new one by aligning it with the hole in the rotor and tightening it with the torque wrench.
Regular inspection is crucial to check for signs of wear, corrosion, or damage during routine maintenance. Proper torque is essential to avoid over-tightening or under-tightening, while lubrication can prevent seizing and make future removal easier. Cleanliness is also vital to prevent corrosion, and replacement should be done if the bolt shows any signs of damage or wear.
Common issues with this bolt include stripped threads, corrosion, wear and tear, and incorrect torque. Troubleshooting advice includes inspecting for stripped threads, checking for corrosion, monitoring for wear and tear, and using correct torque specifications. By addressing these common issues and following proper installation and maintenance procedures, the BMW Part Inner Hex Bolt 34211161806 can maintain its integrity and functionality in BMW vehicles.
