This part is listed by BMW as BMW part number 11531711377 (11 53 1 711 377) and is described as the smaller lower Expansion Tank hose for 1999-2003 E39 540i 6-speed manual models (M62TU). This is a hose that runs from the coolant reservoir to the bottom of the water pump. It only fits models with the 6-speed manual transmission. It's also used on the Alpina V8 Roadster.
This is a M62 water pump hose manufactured by a front-line supplier of original equipment, private label, and in-house engineered replacement parts. An OES replacement product meets or exceeds all of BMW's original design, fitment, and performance requirements and they carry out testing with ISO and German TUV for quality control. These 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:
5 Series
E39 (97-03) > 540i
