This part is listed by BMW as BMW part number 11537552339 (11 53 7 552 339) and is described as thermostat hose for 2006+ E83 X3 3.0i and 3.0si with the N52 non-turbo engine. This is an outlet hose that runs from the cylinder head to the thermostat. This has the upgraded aluminum hose flange - no more crumbled plastic!
This is an OEM X3 cylinder head-thermostat coolant hose manufactured by Rein - an original supplier to BMW for many hoses and other rubber items. As an OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM 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.
BMW Fitments:
X3 Series
E83 X3 (2004-2010) > X3 3.0si N52 (2007-2010)
