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This could be power steering fluid...a common leak on all BMW's or an upper valve cover gasket leak.
The hoses on the power steering are clamped with a ring clamp and the rubber shrinks slightly and fluid leaks out. You can replace all those clamps with conventional Hose Clamps from your parts store. The power steering oil reservoir has a lower hose from it which commonly leaks.
It leaks onto the coolant hose running below it and the coolant hose eventually splits, discharging all the coolant.
If it is the cam cover gasket, this involves a little more work. The gasket is available from you dealer or parts house.
On something that new, the fuel pump will be electronic and will more than likely be located in the fuel tank. So to reach the pump you will have to drain and remove the fuel tank and it will be located near the center of the tank only accessible through the top of the tank by removing the 6-10 bolts that hold the pump and float assembly on the tank. Take care not to damage the gasket or the assembly.
Had the same problem with my 2001 330ci. If not used frequently the pump will get waterlogged and allow fluid to seep into the motor. I was able to disassemble, clean, and rebuild my pump but I would recommend replacing it, it is not expensive at around $20-30 and easy to change.
The washer pump is inserted into a hole on the washer tank itself. It is an interference fit so it will pop out. If you have significant amount of fluid in the tank it will leak out of the hole. There should be one hose connected with a clamp and one electrical connector. I believe there may be a plastic shroud covering it which needs to be unsnapped.