Power Steering Cooler, BMW - E82 135i/1M, E9X 335i

This part is listed by BMW as BMW part number 17117540810 (17 11 7 540 810) and is described as a Power Steering Cooler for E82 135i/1M, E9X 335i.

This is the fluid cooler used in the power steering system. BMW calls it a radiator or a loop. 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.

This is a Genuine BMW E9X PS hose with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.