Powerflex

These parts will not fit the E82 1-Series M-Coupe or X Drive (4wd) models
PFR5-419, PFR5-421 and PFR5-423?s are inserts to be used with the original bushes
PFR5-420, PFR5-422 and PFR5-1220 are complete bushes and used to replace the original bushes
PFR5-1220 increase anti squat to that of the M series, for std location of the subframe front mount use PFR5-420
PFR5-421 Insert fits all models up to -07/2005. Then Automatic models only from 07/2005- on
PFR5-423 Inserts fit manual cars from 07/2005- onwards
PFR5-416-12 fits performance shock absorber which has 12mm thread
For standard shock absorbers and performance shock absorber with a 10mm thread use PFR5-416