Elring 702.230 Engine Cylinder Head Bolt Set

Engine Cylinder Head Bolt Set for BMW M3 and M4

The Elring 702.230 engine cylinder head bolt set is designed specifically for BMW M3 and M4 models. This set includes 18 high-quality bolts engineered to meet precise specifications, ensuring reliable engine assembly and performance.

• Includes 18 cylinder head bolts with male Torx bolt head design
• Thread sizes: M 9x70/30 and M 11x173 for accurate fitment
• Compatible with BMW M3 and M4 engine configurations
• Durable construction to maintain proper clamping force
• Part number 702.230 for exact replacement and identification

Detailed Product Description

The Elring 702.230 cylinder head bolt set is engineered to provide secure fastening for the cylinder head in BMW M3 and M4 engines. Featuring a male Torx bolt head design, these bolts allow for precise torque application during installation. The set contains 18 bolts with two thread sizes: M 9x70/30 and M 11x173, ensuring compatibility with the specific engine hardware requirements of these BMW models. This bolt set is essential for maintaining the integrity of the cylinder head seal and overall engine performance.

Applications and Problem Solving

• Replaces worn or damaged cylinder head bolts in BMW M3 and M4 engines
• Prevents cylinder head gasket leaks caused by improper bolt tension
• Addresses engine misfires or compression loss due to loose cylinder head bolts
• Ensures correct torque retention for engine rebuilds or repairs
• Supports engine longevity by maintaining proper clamping force

Installation Notes and Tips

• Use a compatible Torx driver to avoid bolt head damage
• Follow manufacturer torque specifications for M 9x70/30 and M 11x173 bolts
• Replace all bolts as a complete set to ensure uniform clamping force
• Inspect cylinder head and gasket surfaces before installation
• Apply thread lubricant if recommended by the vehicle service manual

Quality Assurance and Warranty

Elring is known for producing engine components that meet OEM standards. The 702.230 cylinder head bolt set undergoes strict quality control to ensure durability and precise fitment for BMW M3 and M4 engines. While specific warranty details may vary, Elring products typically come with a limited warranty against manufacturing defects, providing confidence in the reliability of this engine hardware.