Genuine 11 21 7 616 164 Crankshaft Pulley Bolt Engine Hardware - 11 21 7 616 164

The Genuine BMW crankshaft pulley bolt (part number 11 21 7 616 164) is a critical fastener that secures the crankshaft pulley to the engine's crankshaft. This OEM component is designed to meet BMW's exact specifications for proper torque retention and vibration resistance in demanding engine environments.

Key Features:

• Genuine BMW OEM part ensuring perfect fit and reliability
• Engineered for precise torque specifications and optimal clamping force
• Heat-treated steel construction for durability and strength
• Direct replacement for worn or damaged crankshaft pulley bolts
• Prevents crankshaft pulley wobble and potential engine damage

This is a critical engine component that should be replaced during crankshaft pulley service or when showing signs of wear, stretching, or damage. BMW typically recommends replacing this bolt rather than reusing it during pulley removal and installation to ensure proper torque retention.