Serpentine Belt Tensioner & Idler Pulley Kit for BMW X3 X5 Z4 (2004–2010)

Includes: - Serpentine Belt Tensioner & Idler Pulley Kit Fits Models: - BMW X3, BMW X5, BMW Z4 Model Years: - 2004–2010 Submodels: - Common trims include 2.5i, 3.0i, 3.0si, 3.5d, 4.8i for X5; 2.5i, 3.0i for X3; 2.5i, 3.0i for Z4. Chassis codes: E83 (X3), E53 (X5), E85/E86 (Z4). Body styles: SUV (X3, X5), Coupe/Roadster (Z4). Engine Options: - Common engine sizes include 2.5L I6 (M54), 3.0L I6 (M54, N52), 4.8L V8 (N62), and 3.0L Diesel (M57). Description: This Serpentine Belt Tensioner & Idler Pulley Kit is designed for select BMW models, ensuring optimal performance and longevity of your engine's accessory drive system. It replaces worn components to maintain proper belt tension and alignment. Features: - Direct fit for specified BMW models - Durable construction for long-lasting performance - Reduces belt noise and wear - Ensures proper tension for accessory belts - Easy installation with no modifications required