Hose line for 525+528+528i+M535i all years of manufacturing only LHD-models, you need 1 for 1 car and for 525 up to 11/1978 only RHD-models, you need 1 for 1 car (525 RHD 4505628 / 525A RHD 4535724) and for 528+528i+M535i all years of manufacturing only RHD-models, you need 1 for 1 car