PFF5-4601 & PFF5-5601 fit brackets with a 66mm bore
PFF5-5601G & PFF5-5601G-60 give an additional +0.5° Caster (gives standard caster on Z4M)
PFR5-4610 & 4611 are complete replacement bushes, for inserts use PFR5-4613 & 4614 (inserts fit into the voiding of the original bush)
PFR5-5630-10 fits cars with standard or aftermarket rear shock absorber with a 10mm pin, PFR5-5630-12 fits cars with aftermarket rear shock absorbers with a 12mm pin.
PFF5-470 only fits vehicles with manual transmission.
