If you've ever replaced a broken or cracked water pump pulley and wondered why the engineers at BMW didn't make it out of something more durable, you're not the only one.
CNC machined from 6061 billet aluminum, our ECS pulley will never crack or break leaving you on the side of the road. Hard anodized finish to help prevent corrosion. This pulley is a direct replacement using the factory belt (11287837898) and original hardware (07119903843).
If you are replacing your water pump, now is the time to get rid of that plastic pulley.