2015 BMW X1 Engine: 2.0L L4; Rubber;. Part Type: Engine Coolant Pipe O-Ring. Engine Coolant Thermostat Housing Gasket. 2012 BMW X1 Engine: 2.0L L4; Rubber;. 2013 BMW X1 Engine: 2.0L L4; Rubber;. 2013 BMW X1 Engine: 3.0L L6;EngineCode: N55B30A; Rubber;.