Mahle GS33409 Engine Cylinder Head Bolt Set

Reliable Engine Cylinder Head Bolt Set for BMW Models

The Mahle GS33409 engine cylinder head bolt set is designed to meet OEM standards, providing secure fastening for your BMW engine components. Engineered with steel hex bolts and included washers, this set ensures proper clamping force and durability for various BMW 3 Series and 5 Series models.

• OEM standard grade steel bolts for durability and strength
• Hex head style for easy installation and torque application
• Includes washers to ensure proper load distribution and sealing
• Compatible with multiple BMW models including 320i, 328i, 525i, and Z3
• Part number GS33409 for precise identification and fitment

Durable Steel Bolts with Hex Head Design

Each bolt in the Mahle GS33409 set is crafted from high-quality steel, providing the necessary strength to withstand engine operating conditions. The hex head design allows for reliable torque application during installation, reducing the risk of bolt damage or loosening. Washers included in the package help maintain even pressure across the cylinder head, preventing leaks and ensuring engine integrity.

Compatible BMW Models and Applications

This cylinder head bolt set is compatible with a range of BMW vehicles, including the 3 Series models such as 320i, 323i, 325i, 328i, and their respective variants like 323is, 325is, and 328is. It also fits 5 Series models including 525i, 525iT, and 528i, as well as the BMW Z3. Using the correct cylinder head bolts like the Mahle GS33409 is critical for maintaining engine performance and reliability.

Common Engine Issues Addressed

• Prevents cylinder head gasket leaks caused by improper bolt tension
• Reduces risk of bolt fatigue and failure under thermal stress
• Ensures consistent clamping force for optimal engine compression
• Helps avoid engine misfires related to head gasket sealing problems
• Maintains engine structural integrity during rebuilds or repairs

Installation Notes and Tips

• Follow manufacturer torque specifications and tightening sequence carefully
• Use included washers to ensure proper load distribution
• Inspect bolts for any signs of wear or damage before installation
• Replace bolts as a complete set to maintain uniform clamping force
• Apply appropriate thread lubricant if specified by BMW service manual

Quality Assurance and Warranty

Mahle GS33409 cylinder head bolts are manufactured to meet OEM standards, ensuring reliable performance and fitment. The steel fasteners undergo strict quality control to maintain material integrity and dimensional accuracy. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects, providing confidence in your purchase.