part number 11667619350 (11-66-7-619-350) and is described as OEM Engine Vacuum Pump for N55 engine on E82, E88, E90, E92, E93, F07, F10, F12, F13, E84, F25, E70 and E71 chassis (Model Years: 2011, 2012).
BMW Fitments:
1 Series
E82 / E88 (08-13) > 135i N55 (11-13)
E82 / E88 (08-13) > 135is N55 (11-13)
3 Series
E90 / E91 / E92 / E93 (06-13) > 335i N55 (11-13)
E90 / E91 / E92 / E93 (06-13) > 335xi N55 (11-13)
5 Series
F10 / F11 (11-16) > 535i
F10 / F11 (11-16) > 535i xDrive
6 Series
F12 / F13 (12-18) > 640i
X1 Series
E84 X1 (2013-2015) > X1 35i xDrive
X3 Series
F25 X3 (2011-2017) > X3 xDrive35i
X5 Series
E70 X5 (07-13) > X5 xDrive35i N55
X6 Series
E71 X6 (2008-2014) > X6 xDrive35i N55 (10-13)