TIMS showed intermittent BCU fault at front M2 car. Train performance - ok. ~~~~~ TIMS showed intermittent BCU fault at fr     #2544-BCU fault when put to coast position brake fault occurred. Replaced ACU and function test ok. ACU-Old s/n: 1037-046  New s/n: 1302-129 Not: 2144115 raise to RSW. Done by Kalees/Zul. 24/03/20