Rein HWK0004 Aluminum Alternator Bolt Kit

The Rein HWK0004 is an OE quality alternator bolt kit designed specifically for select BMW vehicles equipped with inline-6 engines featuring magnesium engine blocks. These aluminum stretch bolts are designed to be single-use only, ensuring proper torque specifications and secure mounting every time.

Key Features:

• Aluminum construction prevents electrochemical reaction with magnesium engine blocks
• Includes all necessary bolts, nuts, and washers for easy installation
• Designed for proper fit, form and function for European vehicles
• Manufactured with top quality materials to ensure OE tolerances
• Torque-to-yield design ensures factory-correct functionality

This bolt set ensures that your alternator stays firmly in place, preventing unnecessary vibration or movement that could cause engine damage. Compatible with OEM part number 12310392568, this kit provides reliable performance for both professional mechanics and DIY enthusiasts. Using the wrong bolt or reusing existing bolts can result in improper torquing, or bolts could loosen or break off, making proper replacement essential during alternator service.