BMW E39 M5 Accessory Belt Kits
The best way to address your accessory belt, tensioners, and idler pulley is to invest in a complete kit with new replacement hardware.
ECS assembled and genuine OEM Accessory Belt Service Kits contain each part required to completely rebuild your accessory system.
You get two accessory belts, hydraulic tensioner assembly, idler and tensioner pulley, A/C belt tensioner, and all hardware required for a clean install.
All You Need
Fits:
BMW E39 M5 2000-2003
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Ships on Sep 2, 2026