Standard Ignition VVT512 Engine Variable Valve Timing (VVT) Sprocket - Intake

Standard Ignition VVT512 Intake Cam Phaser Sprocket

Standard Ignition VVT512 is an engine variable valve timing sprocket built as a camshaft phaser for intake-side applications. It uses a metal gear construction with a single-row, 42-tooth design and four timing marks for accurate alignment during service.

Compatible with select BMW V8 applications, including BMW 540i, 545i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 550i, 740i, 740iL, and X5 intake positions.

Key Features

• Part number: VVT512
• Engine variable valve timing sprocket with camshaft phaser function
• Metal gear material for engine bay durability
• Crankshaft gear type with one mounting hole
• 42 teeth and four timing marks for setup reference
• Single-row design with 0.28 in. thickness
• Inside diameter: 0.92 in. / 23.368 mm
• Outside diameter: 4.04 in. / 102.616 mm

Detailed Description

Standard Ignition VVT512 is an intake variable valve timing sprocket engineered for BMW engines that use a camshaft phaser arrangement. The metal gear construction, 42-tooth profile, and four timing marks support precise timing service on applications such as BMW 550i, 750i, 650i, and X5 intake positions. This part number, VVT512, cross-references 11367506775 and 35-1313 for the same application.

Common Service Issues

• Timing chain or cam timing noise during VVT service
• Rough idle or inconsistent engine response related to intake cam timing
• Check engine light tied to variable valve timing faults
• Loss of performance from worn phaser or sprocket components
• Timing alignment concerns during engine repair

Installation Notes and Tips

Verify intake-side placement before installation and match the sprocket to the engine’s timing marks. Confirm inside diameter, outside diameter, tooth count, and lug-hole dimensions against the original part before assembly. Use proper timing tools and follow the factory service procedure for BMW VVT service to maintain cam timing accuracy.

Quality Assurance

Standard Ignition supplies replacement engine management and timing components for service applications. VVT512 is built to match the listed fitment and dimensional specifications for BMW intake cam phaser service.