Standard Ignition VVT508 Engine Variable Valve Timing (VVT) Sprocket - Exhaust (Right)

Overview of Standard Ignition VVT508 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT508 is a precision-engineered engine variable valve timing (VVT) sprocket designed for select BMW models. This camshaft phaser sprocket ensures accurate timing control, contributing to optimal engine performance and efficiency.

• Durable metal gear material for long-lasting operation
• Specifically designed for crankshaft gear type applications
• Inside diameter of 0.91 inches (23.114 mm) for precise fitment
• 44 teeth with 4 timing marks for accurate valve timing
• Single mounting hole with a lug hole diameter of 0.52 inches (13.208 mm)
• Thickness of 0.28 inches (7.112 mm) and tooth width matching thickness for consistent engagement

Detailed Product Description

The Standard Ignition VVT508 sprocket functions as a camshaft phaser, playing a critical role in the variable valve timing system of compatible BMW vehicles. Constructed from metal, this sprocket is built to withstand the stresses of engine operation while maintaining precise timing control. The sprocket features a crankshaft gear type design with 44 teeth and 4 timing marks, allowing for accurate synchronization of the camshaft and crankshaft. Its inside diameter of 0.91 inches (23.114 mm) and outside diameter of 4.04 inches (102.616 mm) ensure a proper fit within the valve train assembly. The single mounting hole and lug hole diameter of 0.52 inches (13.208 mm) facilitate secure installation without the need for additional hardware, which is not included.

Compatible BMW Models and Applications

This VVT sprocket is compatible with a range of BMW models, including the 540i, 545i, 550i, 645Ci, 650Ci, 650i, 740i, 740iL, 745i, 745Li, 750i, 750Li, and X5. It is designed to meet the specific requirements of these vehicles’ variable valve timing systems, ensuring reliable performance and proper engine timing.

Common Issues Addressed by the VVT508 Sprocket

• Irregular or poor engine timing leading to reduced performance
• Variable valve timing system malfunctions causing check engine lights
• Excessive engine noise or rough idling due to worn sprocket teeth
• Decreased fuel efficiency related to timing inconsistencies
• Engine hesitation or power loss during acceleration

Installation Notes and Tips

Installation of the Standard Ignition VVT508 sprocket requires proper alignment of timing marks to ensure accurate valve timing. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and installation procedures. Since hardware is not included, retain original mounting components or source compatible hardware separately. Careful handling during installation will prevent damage to the sprocket teeth and ensure optimal function.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your BMW’s variable valve timing system. While specific warranty details for the VVT508 are not provided here, Standard Ignition typically offers coverage against defects in material and workmanship. Consult the product documentation or manufacturer for exact warranty terms.