Turbo Oil Return Line, Rear, Rein - 135i/1M/335i, X6 35i, Z4 35i N54

This part is listed by BMW as BMW part number 11427585403 (11 42 7 585 403) and is described as Oil Outlet Pipe on the N54 turbocharger. The oil lines may develop a leak over time, either from the rubber o-rings or the fittings themselves. A new line is cheap and easy to replace. New o-rings are included.

This is an N54 oil line manufactured by Rein Automotive - an original supplier to BMW for many other hoses and lines. As an OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM-type parts like Rein 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:

1 Series
E82 / E88 (08-13) > 135i N54 (08-10)
E82 / E88 (08-13) > 1M (11-12)
3 Series
E90 / E91 / E92 / E93 (06-13) > 335i N54 (07-10)
E90 / E91 / E92 / E93 (06-13) > 335is N54
E90 / E91 / E92 / E93 (06-13) > 335xi N54 (07-10)
X6 Series
E71 X6 (2008-2014) > X6 xDrive35i N54 (08-09)
Z Series
E89 Z4 (2009-2016) > Z4 sDrive35i
E89 Z4 (2009-2016) > Z4 sDrive35is