Z4M E85 & E86 (2006-2009) - ROAD SERIES
The Z4M uses PFF5-5601G to achieve the standard caster, other front arm bushes will reduce the caster.PFR5-4610 & 4611 are complete replacement bushes, for inserts use PFR5-4612 & 4613 (inserts fit into the voiding of the original bush)PFF5-470 only fits vehicles with manual transmission.