Loosen the wheel mounting bolts.
Remove the rear wheels.
Use a socket №21 and a combination spanner №21. Disconnect the lower arm from the pivot.
Use a torx №M10. Disconnect the transverse stabilizer fastening.
Use a socket №18 and a combination spanner №18. Unscrew the arm fastening from the subframe.
Remove the arm.
Install a new arm.
Use a socket №18 and a combination spanner №18. Screw the lower arm fixing bolts, but don't tighten them.
Use a torx №M10. Connect the transverse stabilizer fastening.
Support the arm.
Use a socket №18 and a combination spanner №18. Tighten the arm fastening.
Remove the support from under the arm.