7
Installation Instruction P/N 01 29 2 154 664
5. Install two M10x40 bolts (1) into the basic
part of the tow bar (2). Repeat this step for
left and right sides.
6. Install two M10x120 bolts (2) into the left
and right bumper bracket (1). Position
each bumper bracket on the tow bar with
the protruding end of the center tube facing
down. Repeat this step for the left and right
sides.
7. Tighten all bolts for hitch crossmember, and
support brackets inside, as well as beneath
the vehicle body in steps 2, 3, 5, & 6 to
55Nm.
8. Secure crossmember bolts by bending the
cages over the bolt heads with a punch,
and hammer (1).
9. Secure bumper bracket bolts to the
crossmember by bending the cages over
the bolt heads with a punch, and hammer
(1).