replacing the window washer pump on 2004 BMW 330Ci

How difficult is replacing the window washer pump, ie, is it tough to gain access to the pump?

Asked by for the 2004 BMW 330Ci
Labor guide says half hour labor, I think you remove a shield under the engine compartment/bumper it should be real easy, I looked at he illustration noting too complex. BMW price for pump is about $80.