This part is listed by BMW as BMW part number 11612246949 (11-61-2-246-949) and is described as Genuine BMW Backup Ring for M57 Diesel Engine Intake Manifold on E90 335d (2009-2011) and E70 X5 35d (2009-2013).
Sold individually. 7 required per engine.
BMW Fitments:
3 Series
E90 / E91 / E92 / E93 (06-13) > 335d
X5 Series
E70 X5 (07-13) > X5 xDrive35d (09-13)
