The rear bushings are overall easy. E82, E84, E87, E88. E90, E91, E92, E93. However, if you are trying to remove OEM M3 bushing you will have to bend up the lip surrounding the bushing to get it to clear the tool, All other factory bushing are not a problem, or installing new OEM M3 bushings is not a problem.

Brand: Forsvara Engineering
Type: Bushing puller / installation tool
Warranty: No Warranty
Number of Pieces: 1
Manufacturer Part Number: SUB-E8X-9X
Set or Single Item: Single Item
Country/Region of Manufacture: United States