Cylinder Head to Thermostat Hose with Flange, Rein - E60 525i/528i/530i (N52)

An OEM return hose from cylinder head to thermostat replaces BMW part #11537544638

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This part is listed by BMW as BMW part number 11537544638 (11 53 7 544 638) and is described as Water Hose / Coolant Hose for 2006-2007 model BMW 5 series with the N52 3.0 liter engine, which includes 2006 and 2007 model 525i, 525xi, 530i and 530xi sedan and wagon. 

This replacement cooling hose runs from the thermostat to the cylinder head on the N52 6 cylinder powered E60/E61 5 series models (2006, 2007, 2008, 2009 and 2010 model years) including 525i, 525xi, 528i, 528i xDrive, 530i, 530xi. There is a plastic flange at the cylinder head that can crack or warp over time and lead to a coolant leak. This hose includes a new plastic flange. 

Rein is the manufacturer of this hose, who is an original equipment manufacturer (OEM) for BMW. You can be assured this hose will perform just as the Genuine BMW part does, but at a fraction of the cost of the equivalent hose from the dealer. It also comes with a 24 month warranty, so you can be assured this is a quality brand designed for longevity and ideal fitment. 

Interested in an upgraded version of this hose? See Related Items below for an OEM hose with an upgraded aluminum flange. 

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
E60 / E61 (04-10) > 525i N52 (2006-2007)
E60 / E61 (04-10) > 525xi N52 (2006-2007)
E60 / E61 (04-10) > 528i
E60 / E61 (04-10) > 528xi
E60 / E61 (04-10) > 530i N52 (2006-2007)
E60 / E61 (04-10) > 530xi N52 (2006-2007)
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