Powerflex Black Series Car: BMW - X5 E70 (2006-2013) description: Rear Subframe Rear Bush Insert purchased parts package: 2 installation location: rear notice: This is an Insert and fits into the original bush which reduces the subframe movement. This Insert does not fit the E70 X5 M or E71 X6 M models. It fits into OE bush part number 33316784940. Diagram reference: 23 Part no.: PFR5-1423BLK