I have a 1995 E34 525 TDS with automatic gearbox, which has a radiator for
coolant, a small radiator in front for, I think, cooling the engine oil, a
radiator that seems to be incorporated in the coolant radiator (?
Transmission oil heater / cooler ?) and a pipe that winds around in front of
the coolant radiator which I think possibly cools the power-assisted
steering oil.  This pipe has been extremely rusty on the outside for a long
time and I think has finally given up and is leaking oil - the oil is golden
in colour, not pink like transmission oil and not black like the engine oil.
I need to get it to the garage.......

Questions.....

1) Is my assumption that it is the steering oil cooler leaking correct ?
2) Can I check / top up before I drive the 15 miles to the garage ?
3)Where is the reservoir to top up ?
4) What happens if / when the oil is all gone ? Do I lose steering or does
it just get heavy
5) Does it take out the power steering pump or should it be alright for a
few miles?

Any other points I haven't thought about ?

Thanks,

Nick