Hello, the headline says everything already. On the weekend should be nice weather again. had to do a proper motor wash before there. what do I have to pay attention to there? I mean, every SB washer has this program but really help you don’t get there. Do I have to cover special parts? and what can I expect from such a motor wash? I’ve always been amazed at 10 years old cars standing at the car dealer and the motor looks so fresh. engine room.