Power steering pump, remove and install

Drain power steering fluid into a suitable container and dispose of sensibly.
Remove banjo bolts from power steering hoses at pump. One is 19mm , the other is 22mm
Remove power steering belt by loosening three 13mm bolts (green arrows) and the 13mm nut on the rear of adjusting bolt (blue arrow). Turn adjusting bolt counter clockwise to loosen belt.
Remove 3 bolts securing pump to bracket and remove pump

Fill power steering fluid reservoir with standard Dexron III Automatic Transmission Fluid (ATF) to the MAX mark on the reservoir

Start engine, turn steering wheel to full lock in each direction twice.
Do not hold wheel against lock for an extended period of time.

Stop engine and check level, top off to MAX mark.

E30 M3 Repair Manual V2.7. Copyright Š1999-2001 Koala Motorsport & Brett Anderson