Under the steering wheel, you need to remove the panel under steering wheel.
under the steering wheel
i have just removed one on a 1992 318i, it may be the same. carefully pry out BMW badge from steering wheel (i used 2 small jewellers screwdrivers) this will reveal one bolt, remove this and wheel should slide off.
The BMW 318i has a tank inside the engine that houses the power steering fluid. This tank is near the oil cap.
You will find the power steering reservoir on a 2002 BMW 318i, under the BMW plastic cover over the radiator. It is a black and round, about the size of an orange.
how do you remove the fan clutch on a 1992 318i 1.8 liter?
The brake fluid and clutch reservoir are one and the same on the 1984 model.
http://www.motormec.co.uk/aircon.pdf
The 1984 BMW 318i has approximately 101HP as the lowest value. This number is from the Wiki page for BMW 3 series located at http://en.wikipedia.org/wiki/BMW_3_Series and the exact statement is for each market is as follows: 1984-1985 318i - 1.8 L M10B18 I4, 101 hp (75 kW) - North America 1982-1987 318i - 1.8 L M10B18 I4, 105 hp (77 kW) - Europe Good luck and take care. Noisome
Remove the housing and replace the gasket.
The power steering pump is located on the front of the engine. The pump is on the lower part of the engine and will have a pulley on front and has a fill cap on top.
It is important to maintain the levels of all of the fluids in a car. The steering fluid reservoir in the car is located under the hood, towards the back, it has a yellow cap stamped power steering.