Genuine 11 21 1 439 395 Crankshaft Pulley Bolt for BMW Engines - 11 21 1 439 395 N51 N52 N54

The Genuine BMW Crankshaft Pulley Bolt (part number 11 21 1 439 395) is a critical OEM component designed to secure the harmonic balancer to the crankshaft on BMW engines. This premium-grade bolt ensures optimal performance and durability, making it essential for maintaining vehicle reliability and efficiency.

Key Features:

• Constructed from high-quality materials that withstand even the toughest driving conditions
• Designed to reduce engine vibration, enhancing overall engine performance and minimizing wear on vital components
• Center bolt for crankshaft pulley or harmonic balancer on N51, N52, and N54 engines
• Must be replaced during timing chain service
• Genuine BMW OEM part - not aftermarket

This crankshaft hex bolt is an essential replacement component when removing the harmonic balancer or performing timing chain work. Compatible with various BMW E90, E92, E85, E86 models equipped with N51, N52 engines, this bolt meets BMW's exacting standards for quality, precision, and longevity. Using genuine BMW parts ensures all engine components work together perfectly for optimum performance and maximum safety.