Standard Ignition VVT514 Engine Variable Valve Timing (VVT) Sprocket - Intake

Overview of Standard Ignition VVT514 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT514 is a precision-engineered engine variable valve timing (VVT) sprocket designed for select BMW models. This camshaft phaser sprocket is crafted from durable metal to ensure reliable performance in your BMW 1 Series M, 335i, 535i, 740i, X6, and Z4 vehicles.

• Engine Variable Valve Timing (VVT) sprocket for camshaft phaser function
• Constructed from high-quality metal gear material
• Crankshaft gear type with 38 teeth and 5 timing marks
• Single mounting hole with a lug hole diameter of 0.52 inches (13.208 mm)
• Inside diameter of 0.91 inches (23.114 mm) and outside diameter of 4.07 inches (103.378 mm)
• Thickness of 0.16 inches (4.064 mm) with a tooth width matching thickness
• Non-adjustable design without keyway notch or included hardware

Detailed Product Description

The Standard Ignition VVT514 sprocket is engineered specifically for BMW vehicles requiring precise camshaft phasing to optimize engine timing. Its metal construction provides durability and resistance to wear under high engine stress. The sprocket features a crankshaft gear type with 38 teeth and 5 timing marks, facilitating accurate valve timing adjustments. With a single mounting hole and a lug hole diameter of 0.52 inches, it ensures secure installation. The sprocket’s dimensions, including a 0.91-inch inside diameter and 4.07-inch outside diameter, are designed to match OEM specifications for compatible BMW models.

Compatible BMW Models and Applications

This VVT sprocket is compatible with a range of BMW models, including the 1 Series M, 135i, 335i, 335is, 335i xDrive, 335xi, 535i, 535i xDrive, 535xi, 740i, 740Li, X6, and Z4. It is intended for use in engine variable valve timing systems to control camshaft phasing, which improves engine efficiency and performance.

Common Issues Addressed by VVT514 Sprocket Replacement

• Irregular or poor engine timing causing reduced performance
• Engine misfires related to faulty camshaft phaser components
• Check engine light triggered by VVT system errors
• Excessive engine noise or rattling from worn sprocket gears
• Decreased fuel efficiency due to improper valve timing

Installation Notes and Tips

Installation of the Standard Ignition VVT514 sprocket requires proper alignment of timing marks and secure mounting to the camshaft phaser. Since hardware is not included, ensure all bolts and fasteners are inspected and replaced if necessary. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and timing procedures. Professional installation is advised to maintain engine timing accuracy and avoid damage.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit and function. The VVT514 sprocket undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.