For whatever reason, this shock mount area is something BMW
never got right on the three series from the 1983 until the 2007
modes: the OEM mounts are sloppy and fatigue quickly and the sheet
metal area around them can be deformed over time simply by
absorbing road irregularities. The stress high performance shocks
can apply to the chassis has been know to cause permanent damage
(even under daily driving conditions) without antiquate
There is nothing to be scared of however- here we have a
comprehensive solution:Many companies make an upper shock
mount, but we use and sell what we believe are the best performing
solid-mount RSM you will find. Structural improvement and quality
in these sets is dramatically better next to other "high
performance" shock mounts.
Many other mounts (even many performance mounts) are too compliant
to allow the shock to receive the feedback from the road surface
for top performance from the shock. They may actually hinder the
shocks ability to do its job. The common misconception is that
without compliance in this area, the shock cannot do its job; this
is not the case. Passing the most accurate amount of road feedback
into the damper allows lighting fast responses inside of the shock
to occur. In fact, with high quality shocks, you could uses these
mounts on the street- however you would hear a lot more noise as
the shocks valves operate and tire noise is transferred into the
cabin a bit better.
The best we have found for track level
performance: Supremely responsive for the track, high quality
bearing for years of use.
A must have when doing rear shock upgrades for track use, these
will save you time, money, and help save your chassis.
-Race mono-ball style -
VAC Important Tech Notes:
-Fits all of the following: All E30, E36, E46, Z3, Z4, M coupe
-Please specify the diameter of your rear shocks piston rod when
ordering. Many double adjustable shocks require a 12mm RSM, while
most direct replacement shocks are 10mm.
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