Rear Monoball Mounts Installation Instructions.
E39 M5 parts shown.
Also available for non-M E39 5-Series, and E38 7-Series.
apart the mounts (cut zip ties), set metal
sleeves apart, you will not need them until the very end. Note their
respective location prior to taking them apart.
all 4 of the mounts in the freezer for at least 2 hours.
your exiting control arms and especially the way old bushings are
installed. As you can see from pictures below there’s quite a bit of slack
in accuracy. Ideally, once the new mounts are installed they should be
flush the face of the arm.
out old bushings making a note of their location corresponding to front or
rear of the car. Monoball mount delrin retainers are
sized differently for front and rear application. They are marked
pay attention to the bevels on the arms: you MUST start installation of
the delrin retainers from the side with bevel to
make installation much easier and help avoid damage to delrin
parts. When pressing in monoball mounts it is
advisable to heat control arm prior to installation as well as cool the
mount. Heat gun and freezer work well.
mentioned above, mounts are shipped with proper markings. Please make sure
to follow them. Small OD is for rear application and large OD is for the
front of the car. (OD=overall diameter)
up the part of the arm where the mount will be installed
retainers should as close to being flush on both sides as possible.
retainers into the arms, Smaller ID goes to the front of the car, larger to
the back. (ID=internal diameter)
arms are ready to be installed. Please mark the position of eccentric
bolts prior to disassembly, although wheel alignment is highly recommended
after the installation.