1.Inspection CM

Hello to me first service is available According to BMW customer service master, oil, scraper, fine dust filter must be changed costs approx.380€ for mileage approx.30.000km. (He did not come in service program at his PC by the way) My colleague has made service at KM stand 24000km and paid 180€ Can anyone give me an explanation?? both diesel .his 3months older.(February to May) Greeting ronnie