 Starting 2011 Dacia replaced the old KxJ with Euro 5 1.0 (16 valves), 1.2 (16 valves) and 1.6-litre engines.The KxM engine has a displacement of featuring multi-point fuel injection and EGR emission control system fitted.K7M engines tend to suffer quite badly from head gasket failure due to coolant pumps and overheating but are otherwise very tough and powerful engines.