[ECSTuning]

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.



Click HERE for your genuine BMW E9X 325/328/330/I/Xi Accessory Belt Kit
-Featuring genuine BMW component-

Click HERE for your Contitech E9X 325/328/330/I/Xi Accessory Belt Kit
-Featuring Contitech components-

Click HERE for your ECS Special E9X 325/328/330/I/Xi Accessory Belt Kit
-Featuring an INA Pulley and Tensioner and a Continental Belt-

[Meeni]

I bought that kit (the INA version of it), it works great, except that the aluminum bolt for the tensioner is -not- included (and is single use, like most aluminum bolts). It costs like $5, just keep in mind it needs to be added to your cart independently when ordering.

[ECSTuning]

Click HERE for your E9X M3 Accessory Belt Kit