Material: Steel Compatibility: B46 B48 S 320i 330i 430i 520i F30 F31 F56 G20 G21 G30 Design: Engineered for timing chain system functionality Functionality: Timing Chain Guides and Tensioner Kit Performance: Enhanced engine and efficiency Parts Included: Comprehensive timing components Constructed from steel, this B46B20 B48B20 Engine Timing Chain Guides Tensioner Kit is designed to endure regular use and maintain performance.It is specifically designed for B46 and B48 engine applications, offering direct fitment for a range of models including F30, F31, F56, G20, G21, and G30 series vehicles.The design supports consistent engine timing, contributing to improved operational efficiency and sustained engine performance.The kit integrates with existing engine components, allowing straightforward installation.The timing chain guides and tensioner work together to smooth and stable timing chain , helping the engine maintain performance under various driving conditions.This promotes power delivery and a responsive driving experience.Built for , the kit uses materials suited to withstand prolonged mechanical stress.The complete set of timing components ensures the engine's timing system is fully equipped for long-term function, supporting continued engine performance over time.