This braided metal ground cable connects the transmission or transfer case to the chassis on F25 X3 (2011-2017) and F26 X4 (2015-2018). A failed earth strap can lead to odd electrical issues and fault codes. Inspect and replace this cable whenever you are servicing the transmission or transfer case fluid.
This part is listed by BMW as BMW part number 12427601799 (12-42-7-601-799) and is described as Genuine BMW Earth Strap, F25/F26.
BMW Fitments:
X3 Series
F25 X3 (2011-2017) > X3 sDrive28i
F25 X3 (2011-2017) > X3 xDrive28d Diesel
F25 X3 (2011-2017) > X3 xDrive28i
F25 X3 (2011-2017) > X3 xDrive35i
X4 Series
F26 X4 (2015-2018) > X4 28i xDrive
F26 X4 (2015-2018) > X4 35i xDrive
F26 X4 (2015-2018) > X4 M40i xDrive
