Compatibility: - 1 Series (F20): 2015/03–2019/06, 125d, 1995 cc, 165 kW, 224 PS - 1 Series (F21): 2015/03–2024/12, 125d, 1995 cc, 165 kW, 224 PS - 2 Series Cabriolet (F23): 2015/07–2023/12, 225d, 1995 cc, 165 kW, 224 PS - 2 Series Coupe (F22, F87): 2015/07–2023/12, 225d, 1995 cc, 165 kW, 224 PS - X1 (F48): 2016/03–2023/12, xDrive25d, 1995 cc, 170 kW, 231 PS - X5 (F15): 2013/11–2018/10, xDrive25d, 1995 cc, 170 kW, 231 PS This fuel return line is designed for use in specified models and engine types.It returns excess fuel from the engine back to the fuel tank to support standard fuel system.Built for performance under normal driving conditions.Installation follows standard automotive procedures using common tools.