Okeee cokee thanks fella, am trying to source the whole thing , realoem shows is this 51218402538 online mainly I see 51218402540 that superseeds 51218402538 it is said, but i am not too sure cant verify this ....

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E53 X5 3.0d SUV prod.date 11/2004 eng.variant M57N Europe Right hand drive N