This genuine BMW cylinder head fastener set includes the following 18 Torx bolt sizes:
- (10x) M11x173 - Part # 11128644678
- (4x) M9x170 - Part # 11128644676
- (3x) M9x70 - Part # 11127535950
- (1x) M9x30 - Part # 11127535949
New head bolts are required any time the head bolts have been loosened or removed for any reason. They stretch when properly tightened so re-using them again will not tighten the head and gasket all the way.
This part is listed by BMW as BMW part number 11122165470 (11-12-2-165-470) and is described as Genuine BMW Set Bolt Cylinder Head (TORX).
This is a Genuine BMW set of bolts with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
BMW Fitments:
E82 / E88 (08-13) > 135i N55 (11-13)
E82 / E88 (08-13) > 135is N55 (11-13)
2 Series
F22 / F23 (2014-2021) > M235i
F22 / F23 (2014-2021) > M235i xDrive
F22 / F23 (2014-2021) > M235i-Racing
F22 / F23 (2014-2021) > M240i-Racing
2 Series
F87 (2016-2021) > M2 N55 (2016-2018)
3 Series
E90 / E91 / E92 / E93 (06-13) > 335i N55 (11-13)
E90 / E91 / E92 / E93 (06-13) > 335xi N55 (11-13)
3 Series
F30 / F31 / F34 (2012-2019) > 335i
F30 / F31 / F34 (2012-2019) > 335i xDrive
F30 / F31 / F34 (2012-2019) > Hybrid 3
4 Series
F32 / F33 / F36 (14-20) > 435i
F32 / F33 / F36 (14-20) > 435i xDrive
5 Series
F10 / F11 (11-16) > 535i
F10 / F11 (11-16) > 535i xDrive
F10 / F11 (11-16) > M5 (2013-2016)
6 Series
F12 / F13 (12-18) > 640i
7 Series
F01 / F02 (2009-2015) > 740Li
F01 / F02 (2009-2015) > 740i
X1 Series
E84 X1 (2013-2015) > X1 35i xDrive
X3 Series
F25 X3 (2011-2017) > X3 xDrive35i
X4 Series
F26 X4 (2015-2018) > X4 35i xDrive
F26 X4 (2015-2018) > X4 M40i xDrive
X5 Series
E70 X5 (07-13) > X5 xDrive35i N55 (11-13)
X5 Series
F15 X5 (2014-2018) > X5 sDrive35i (14-18)
F15 X5 (2014-2018) > X5 xDrive35i (14-18)
X6 Series
E71 X6 (2008-2014) > X6 xDrive35i N55 (10-13)
X6 Series
F16 X6 (2015-2019) > X6 sDrive35i N55 (15-19)
F16 X6 (2015-2019) > X6 xDrive35i N55 (15-19)
