post approx. price of parts you've replaced so far

[goldenbird]

Let's help each other and post here, prices for parts we've replaced in our E53 X5 cars, like tranny, oil pump, water pump, alternator, mirror, sensors etc. This will help as a reference thread & make us aware of the approx cost of parts we might need to replaced in the future. Please mention car's year model, mileage. Parts if OEM, used or a copy, as for the labor fee & replacement time needed if available. Readers can also benefit knowing by the frequency of replacement, what are the most parts that makes problems for the X5