Description
Dinan Underdrive Pulley Kit – 2008-2013 BMW M3. Alters supercharger or accessory drive speed as described. Supplied for E90/E92/E93.
Key Features:
- Changes drive ratio: Alters supercharger or accessory drive speed as described.
- Direct fit: Supplied for the engines listed below.
Fitment:
- BMW M3 2008-2011
Dinan part D560-0004. Confirm fitment against your exact model and build date before ordering.

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