In case anyone is still confused about whether the self-leveling
system is connected to the power steering pump -- well it all
depends on whether it's an E28 (E24 M6 is the same) or an E34 M5.
The E28 M5 has a completely separate system with the pump located
under the spare tire in the trunk. I just disconnected the power
connector to the pump, removed the old shocks, and left the rest
of the system in place (plugged the accumulators with block drain
plugs, p/n 07 11 9 919 228). For more details, look back at my
post in Mformation #88 "E28 M5 Suspension Installation Procedure".
The E34 M5 is different in that there is no dedicated pump for
load-leveling. The power steering pump is used instead, so the
'88 735iL removal procedure described in the October Roundel should
work fine.