There is a good way to save money if you are willing to take a risk. Instead of taking your car to a repair shop, take it to the local vocational school. https://www.webwiki.fr/auto-works.cc/bmw-bmw-e70-%D8%BA%D8%B7%D8%A7%D8%A1-%D8%A8%D9%84%D9%88%D9%81-%D8%A7%D9%84%D9%85%D8%AD%D8%B1%D9%83-11127552281-%D8%B1%D9%8A%D8%AC%D9%8A%D8%AF