- PFF5-4601 is designed to fit the 66mm bore bush housing
- PFF5-4601-60 is for models with 60mm bore bush housing.
- PFF5-4601Xi is for the Xi (4WD) models only with 60mm bore housing
- PFF5-4601M3 is for M3 Models which are 60mm
- PFF5-4602-30.8 Fits M3 CSL Models Only
- PFR5-4609-21.5 Fits M3 Model Only
- PFR5-4609-22.5 Fits M3 CSL Models Only