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 325xi Multiple Power Steering Hoses May Simultaneously Fail
BMW 325xi Problem
Average Mileage: 93,500 mi (57,000 mi - 130,000 mi)
Visitor, 2006 BMW 325xi, 130,000 mi
The power steering fluid doesn't stay in at all! I was told that it has a severe leak!