material Light weight and durability This is High quality of Metal material Easy installation, Excellent fitment and Superior Material Elliptical holes let you adjust camber as much as strut. Plate edges bent to replicate strut tower - more strength than flat plates,Plates need to be placed into front shock tower from under side. Proper rivets for fitting are include,These plates are needed to strengthen front strut towers which tend to deform, bend out or even crack especially if stiffer shocks or coilovers are fitted. Type: Front Upper Strut Mount Reinforcement Plate Condition: Fitment Type: Direct Replacement Placement on Vehicle: Front Part Number:51717036781 (Please refer to the pictures and check before purchasing) Fitment: For 3 Series E46 1999-2005 all engine and body types For E86 E85 Z4 2003-2008 all models For E46 M3 they for only without rivets For Z4 they only without rivets Colour:Black Material:Metal Package Contents: 2 x Strut Mount Reinforcement Plate 4 x rivets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.