Power Steering Cooler, ACM - E39

This part is listed by BMW as BMW part number 17111141819 and is described as Cooling Coil - 17111141819 - E39,E39 M5. This is the fluid cooler used in the power steering system. BMW calls it a radiator. The cooler runs fluid from the steering rack back to the reservoir and is exposed to airflow to cool the fluid. Leaks here are uncommon unless the pipes have been damaged by debris or corrosion. For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

5 Series
E39 (97-03) > 525i
E39 (97-03) > 528i 97-98
E39 (97-03) > 528i 99-00
E39 (97-03) > 530i
E39 (97-03) > 540i
E39 (97-03) > M5 (00-03)
Z Series
E52 Z8 (00-03) > Z8 Roadster (2000-2003)