This part is listed by BMW as BMW part number 11727506214 (11 72 7 506 214) and is described as the gasket between the Cover Lid or secondary air pump and the cylinder head on N51/N52 6-cylinder and N62 V8 engines.
This is a Victor-Reinz Cover Lid Gasket for N51/N52 engines manufactured by Elring Klinger - a quality aftermarket supplier for many gaskets and seals. This part has a two year warranty.
BMW Fitments:
1 Series
E82 / E88 (08-13) > 128i
3 Series
E90 / E91 / E92 / E93 (06-13) > 323i
E90 / E91 / E92 / E93 (06-13) > 325i
E90 / E91 / E92 / E93 (06-13) > 325xi
E90 / E91 / E92 / E93 (06-13) > 328i
E90 / E91 / E92 / E93 (06-13) > 328xi
E90 / E91 / E92 / E93 (06-13) > 330i
E90 / E91 / E92 / E93 (06-13) > 330xi
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)
E60 / E61 (04-10) > 545i
5 Series
F10 / F11 (11-16) > 528i N52 (2011)
6 Series
E63 / E64 (04-10) > 645Ci
7 Series
E65 / E66 (02-08) > 745Li
E65 / E66 (02-08) > 745i
X3 Series
E83 X3 (04-10) > X3 3.0si N52 (2007-2010)
X3 Series
F25 X3 (2011-2017) > X3 xDrive28i
X5 Series
E70 X5 (07-13) > X5 3.0si (07-10)
Z Series
E85 / E86 Z4 (03-08) > Z4 3.0i N52
E85 / E86 Z4 (03-08) > Z4 3.0si N52
Z Series
E89 Z4 (2009-2016) > Z4 sDrive30i