TC reported at BCU fault at Front M2 car. TC performed brake status check - ok. ~~~~~ 2559 check fault code 308, 330, 331. Brake cyclic test with & without 750v-ok. Check ACU no abnormalities or air leak. Check WDC setting between TIMS & BCU 795-ok. Preventive measure, replace BCU & set WDC setting to 795. Brake cyclic test ok. No BCU fault reoccurance. Saini,Din,Zul,6.5.20.