This part is listed by BMW as BMW part number 18107523805 (18 10 7 523 805) and is described as Genuine BMW Collar Nut, M8. This is a copper nut typically used on exhaust components, such as exhaust manifolds and exhaust flanges.
Check your size prior to ordering, as this is a universal piece of hardware, with MANY fitments for MANY different BMW models.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
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)
5 Series
E34 (89-95) > 530i
E34 (89-95) > 540i
5 Series
E39 (97-03) > 540i
E39 (97-03) > M5 (00-03)
5 Series
E60 / E61 (04-10) > 535i
E60 / E61 (04-10) > 535xi
E60 / E61 (04-10) > 545i
E60 / E61 (04-10) > 550i
6 Series
E63 / E64 (04-10) > 645Ci
E63 / E64 (04-10) > 650i
7 Series
E32 (88-94) > 740i
E32 (88-94) > 740iL
E32 (88-94) > 750iL
7 Series
E38 (95-01) > 740i
E38 (95-01) > 740iL
E38 (95-01) > 750iL
7 Series
E65 / E66 (02-08) > 745Li
E65 / E66 (02-08) > 745i
E65 / E66 (02-08) > 750Li
E65 / E66 (02-08) > 750i
E65 / E66 (02-08) > 760Li
7 Series
F01 / F02 (2009-2015) > 760Li
8 Series
E31 (91-97) > 840Ci
E31 (91-97) > 850CSi
E31 (91-97) > 850Ci
X5 Series
E53 X5 (00-06) > X5 4.4i M62 (99-03)
E53 X5 (00-06) > X5 4.4i N62 (04-06)
E53 X5 (00-06) > X5 4.6is M62
E53 X5 (00-06) > X5 4.8is N62
X6 Series
E71 X6 (2008-2014) > X6 xDrive35i N54 (08-09)
Z Series
E52 Z8 (00-03) > Z8 Roadster (2000-2003)
Z Series
E89 Z4 (2009-2016) > Z4 sDrive35i
E89 Z4 (2009-2016) > Z4 sDrive35is
