Suspension Secrets BMW M2/M2 Competition Solid Front Control Arm Bushes (F87)Experience more accurate steering and increased stability when braking with the Suspension Secrets Solid Front Control Arm Bushes for the BMW F87 M2 and M2 Competition. The standard bushes in the lower control arms on the BMW F87 M2 and M2 Competition are made from soft rubber. This soft rubber flexes during cornering and heavy braking, causing the front toe geometry to change dynamically as the rubber flexes. The constantly changing toe angles cause