Powerflex: Rear Diff Front Mount Bush - 4 Per Car: BMW (F Series)
PFR5-4025 is a replacement bush that includes aluminium sleeves with built-in support to increase control of rear diff movement and replaces all four bushes in the original rear diff front mounting bracket.
BMW F87 M2 Coupe (2015 on), BMW F80 M3, BMW F82, F83 M4 (2014 -)