Unsatisfied with the poor service on ,my vehicle

I hereby complaining about the poor service of Bosh service centre in Giyani.1.i first took my car BMW 320D E46. Green in Colour .Reg.MALUKS 2. last year early March 2014.where I bought the parts myself for a major service .and it was serviced but unsatisfactory. I frequently visited to ask for their quick attention .and however some of the things were found ****** inside the car which is the Canon digital camera. And it was reported immediately. Where the manager informed me that he will try by all means to buy another one for refund.2.The car were then taken back just 11days after it was repaired , where I paid an amount of above R6000. and including the parts that I purchase myself it amounted to R5900. I almost spent more than this amount. in trying to get my car fixed.3.the problem which made me to seek assistance is that since my car were locked at Bosch from January 2015 to date there is nothing taking place ,I tried to contact the manager Mr.King formore than 5 months he promise me that tomorrow I will get the car and from there he never communicate with me .it has come atime where both Mr King and His wife is avoiding my calls for many times.this add costs to me. Pls help