The BMW Part Hex Bolt with Washer 7119905529 is a crucial component in BMW vehicles, serving as a direct replacement for several other bolts. This part ensures the secure fastening of various components, contributing significantly to the vehicle’s structural integrity and overall performance. Its usage spans across multiple BMW models from 1991 to 2020, highlighting its importance in maintaining the reliability and safety of these vehicles.
By providing a robust and durable connection, this hex bolt with washer plays a vital role in preventing component loosening and potential failures, thereby ensuring the vehicle’s safety and optimal performance.
BMW Part Hex Bolt with Washer 7119905529:
Dimensions: M8 x 18 mm
Material: High-strength steel (Grade 8.8)
Standards: Complies with ISO 898-1:2013 for fasteners
Unique Features: Specifically designed for BMW vehicles, ensuring optimal fit and performance. This bolt is used in various BMW models from 1991 to 2020, including the 318i, 320i, 323i, 328i, X3, and X5.
Gather Tools: You will need a hex wrench (size appropriate for the bolt), a torque wrench, and safety gloves.
Safety First: Ensure the vehicle is parked on a flat surface, the parking brake is engaged, and the engine is off.
Locate the Bolt: Identify the position of the bolt you are replacing. Refer to the vehicle’s manual if necessary.
Remove Old Bolt: Use the hex wrench to loosen and remove the old bolt. Keep the washer if it’s in good condition.
Install New Bolt: Place the new washer onto the bolt, then insert the bolt into the hole.
Tighten Bolt: Use the hex wrench to hand-tighten the bolt, then use the torque wrench to tighten it to the manufacturer’s specified torque.
Double-Check: Ensure the bolt is secure and properly aligned.
Regular Cleaning: Clean the hex bolt and washer periodically to remove dirt, grime, and rust. Use a mild detergent and a soft brush to avoid scratching the surface.
Lubrication: Apply a light coat of anti-seize lubricant to the threads of the hex bolt to prevent corrosion and ensure smooth installation and removal.
Inspection for Wear: Check for any signs of wear, such as stripped threads, cracks, or corrosion. Replace the bolt if any damage is detected.
Tightening: Ensure the hex bolt is properly tightened to the manufacturer’s specified torque.
Over-tightening can cause damage, while under-tightening can lead to loosening.
Replacement of Washer: Inspect the washer for any signs of wear or damage. Replace it if it shows signs of deformation or excessive wear.
Storage: Store the hex bolt and washer in a dry, cool place to prevent rust and corrosion. Use a protective case or bag to keep them clean and organized.
Use of Correct Tools: Always use the correct tools, such as a torque wrench, to avoid damaging the hex bolt and washer during installation or removal.
Periodic Re-tightening: Check and re-tighten the hex bolt periodically, especially after exposure to vibrations or impacts, to ensure it remains secure.
Common issues with the BMW Part Hex Bolt with Washer 7119905529 include:
Loose or Missing Bolts: Bolts may become loose or fall out due to vibrations or improper installation.
Solution: Tighten the bolts to the manufacturer’s specified torque using a calibrated torque wrench. Replace any missing bolts with genuine BMW parts.
Professional Help: Seek professional help if bolts continue to loosen or fall out despite proper installation.
Corrosion or Rust: Exposure to moisture and road salt can cause bolts to corrode or rust.
Solution: Clean the bolts with a wire brush and apply a rust inhibitor or lubricant. Replace severely corroded bolts.
Professional Help: Seek professional help if corrosion is extensive and affects the bolt’s integrity.
Stripped Threads: Over-tightening or using incorrect tools can strip the threads of the bolt or the mounting hole.
Solution: Use the correct size and type of tool for installation.
If threads are stripped, use a thread repair kit or helicoil insert.
Professional Help: Seek professional help if thread repair is beyond your skill level or if the issue persists.
Damaged Washers: Washers can become damaged or deformed, leading to improper fit and function.
Solution: Inspect washers for damage and replace them with new ones if necessary.
Professional Help: Seek professional help if washers are frequently damaged or if you’re unsure about the correct replacement.
Incorrect Part: Using an incorrect or non-genuine part can lead to compatibility issues and potential damage.
Solution: Ensure you are using the correct genuine BMW part for your vehicle model.
Professional Help: Seek professional help if you’re unsure about the correct part or if issues persist after replacement.
When in doubt, it’s always a good idea to consult with a professional mechanic to ensure proper diagnosis and repair.
The BMW Part Hex Bolt with Washer 7119905529 is a critical component for various BMW models from 1991 to 2020, ensuring secure fastening and structural integrity.
Its high-strength steel construction (Grade 8.8) and compliance with ISO 898-1:2013 standards make it an essential part for maintaining vehicle reliability and safety.
Proper installation requires a hex wrench, torque wrench, and safety gloves, while regular cleaning, lubrication, and inspection are necessary to prevent corrosion and wear.
Common issues include:
These issues can be resolved by:
Regular maintenance and proper installation ensure optimal performance and safety of BMW vehicles.
