PCV Valve Vent Hose for BMW E60 E8X E9X 128i 328i 528i X3 X5 Z4 N52 3.0L 

Part Number: 11-15-7-559-528

This hose is part of the E90, E60, and Z4 crankcase vent system on the N52 engine. 
This hose is the outlet line from the back of the valve cover to the oil separator, and includes foam insulation and a heating element.

Application:
1 Series
E82 / E88 (08-13) > 128i 
3 Series
E90 / E91 / E92 / E93 (07-13) > 328i
E90 / E91 / E92  (07-08) > 328xi
5 Series
E60  (08-10) > 528i
E60  (08) > 528xi
X Series
E70 X5 (07-10) > X5 3.0si xDrive30i 
X Series
E83 X3 (07-10) > X3 3.0si N52 
Z Series
E85 Z4 (07-10) > Z4 3.0i N52
E85 Z4 (07-10) > Z4 3.0si N52
Z Series
E89 Z4 (2009) > Z4 sDrive30i