A fluid leak may develop from one or more power steering hose. When a leak is being repaired, it is not uncommon for multiple hoses to be replaced.Google+
Car Problem Reports
BMW 528i Multiple Power Steering Hoses May Simultaneously Fail
BMW 528i Problem
Average Mileage: 188,171 mi (130,000 mi - 273,365 mi)
Visitor, 2000 BMW 528i
Steering got heavier and heavier. Replace hose
Visitor, 2000 BMW 528i, 165,000 mi
Power steering hose leaks.
Visitor, 2000 BMW 528i, 183,545 mi
Leaking power steering hoses was discovered after replacing the power steering pump. Hoses replaced and replaced reservoir a week later.
Visitor, 1998 BMW 528i, 130,000 mi
Replaced power steering hoses associated with power steering fluid reservoir
ATF Oil leak, mechanic recommended replacing rack and pinion.
replaced rack and pinyin and two power steering hoses all parts used ATF fluid total cost was 940.00 (rack and pinyin was rebuilt not replaced new)