TIMS showed intermittent BCU brake faultat car 2530. Train performance - ok. ~~~~~ 2530 TIMS showed intermittent BCU brake fault. Train performance - ok.  2530 BCU Fault. Replaced 2530 ACU. Function check-OK. No leak found. Brake operation-OK. Old s/n: 1037/055 New s/n: 1037/048 Farid/Haiqal/Koon 44530