This part is listed by BMW as BMW part number 11721438102 (11 72 1 438 102) and is described as the plastic pressure hose from the secondary air pump to the valve on the M62TU V8 used in 2000-2003 E53 X5 4.4i and 4.6is. This is the pressure hose in the secondary air system (SAP) and if cracks or a failure occur you will likely get a check engine light for the X5 SAP.
This is a X5 air pump hose manufactured by Rein Automotive (CRP) - a front-line supplier of original equipment, private label, and in-house engineered replacement parts. Rein replacement products meet or exceed all of BMW's original design, fitment, and performance requirements and they carry out testing with ISO and German TUV for quality control. Rein parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
X5 Series
E53 X5 (00-06) > X5 4.4i M62 (99-03)
E53 X5 (00-06) > X5 4.6is M62