Restore the ideal fuel flow on your BMW E9 3.0CSi / 3.0CSiL engine. Any small obstruction or leak will cause a lean spray discharge leading to a poor performance, to achieve a nice acceleration and restore a smooth idle replace the old worn-out injectors and seals. If you are experiencing lack of power when driving, low fuel injection efficiency, high fuel consumption then this injector set is the ideal replacement for your CSi/ CSiL engine. Keep your engine running smoothly and avoid unnecessary fuel consumption. Keep in mind that these injectors are NO LONGER AVAILABLE through BMW. Price is for a complete set of 6 fuel injectors. Get one BOSCH fuel injection relay for free with your purchase!