This large 304x3.5mm o-ring is used for sealing the clutch cover plate to the transmission bell housing on models equipped with the GS7D36 dual-clutch transmission used in E9X M3, F10 M5, F06/F13 M6 models.
This part is listed by BMW as BMW part number 28407842844 (28-40-7-842-844) and is described as Genuine BMW O-Ring (304x3.5mm) for E90/E92/E93 M3 (2008, 2009, 2010, 2011, 2012, 2013), F10 M5 (2013, 2014, 2015, 2016), and F06/F12/F13 M6 (2012, 2013, 2014, 2015, 2016, 2017, 2018).
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
3 Series
E90 / E91 / E92 / E93 (06-13) > M3
5 Series
F10 / F11 (11-16) > M5 (2013-2016)
6 Series
F12 / F13 (12-18) > M6
