E46 High Adjustment Upper Strut Mount Reinforcement Plate 524td they expand under the normal

they expand under the normal pressure of use

Delrin bushings are generally best for race applications only

Under extreme stress and load

These gussets

TIG welded

E46 High Adjustment Upper Strut Mount Reinforcement Plate 524td they expand under the normalE46 HIGH ADJUSTMENT UPPER STRUT MOUNT REINFORCEMENT PLATE The E46 front strut towers are notoriously weak. For this reason, BMW offered an upper strut mount reinforcement plate from the factory as "the poor road package" (part number 51717036781). The plate adds another layer of metal to reinforce the strut mounting point on the chassis. This is mandatory if you have an aftermarket performance suspension setup on your E46. Stiff suspension + strut bar