You have to be willing to do some work, or take it to an independent European shop and let them do the work. In the right rear of the car there is the fuel pump, a fuel filter and a filter canister under the plastic covering you see when looking under the right rear; Of course there is always the possibility that you have a leak in the brake line. That last is unlikely if you feel no difference in the brake peddle. Can you tell what the fluid is??