so my fuel is not reading properly when im at a quarter tank its really empty and yesterday i loaded up my stock wheels and i guess the weight effected my tank because i left with a quater above half drove to free port ny then drove back to jersey and i was at about half tank but when i unloaded the rims it went up some... is this the part i need to replace 2001 BMW E53 X5 4.4L Fuel Sending unit