The shimmies can be repaired, often very simply.
Timm’s BMW E38 - THE 10 MOST
COMMON PROBLEMS
The E38 is an excellent car, but even the flagship of the BMW range has a
few weak spots. From my own experience, that of The 7 Series Register
and the percentage hits on this website a definitive list can be made. Most
of the problems exist in all models in the range, some only for the V8
models. The following list is in order of highest to lowest chance of
problems
1. The Dreaded Shimmy
Both the E32 and the E38 7-Series can suffer from the dreaded 'shimmy'.
This is wheel-wobble that usually first shows itself under braking, for
instance, when coming off a motorway intersection and braking from high
speed. The wobble can be felt through the steering-wheel but it usually
disappears as the car speed reduces.
Sometimes this is all you ever get, but more usually you will start to get
wobble as the car is accelerated through 50 - 60MPH. The more you drive
the car the worse it will get. The wobble is quite often accompanied by
tram lining and a general feeling of imprecision from the steering in
general.
The shimmies are often an indication of general wear in the steering
system and suspension, the BMW E38 has a great deal of weight over the
front wheels, especially when braking. It also seems to have a resonant
frequency that occurs between 50 and 60 MPH, if there is any weakness it
is at this speed where the problems will occur
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