Thanks everyone. I did a thorough degrease yesterday to see if I can find a specific source for my leak. I'm a little worried now it might even be from the pump itself. A few days of driving and I should have a better idea of what needs to be replaced. Leaning to the BMW hoses - most of the difference in price is the longer high pressure hose, which is the one that is stressed the most...

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David.X5
2001 X5 4.4i Sport
SOLD! at 160k miles