Poor garage

They have been servicing and doing repairs on my car for a period of time,. The car the mixed water and oil. I took it to their garage and I was given an estimate price for 9k to sort the problem out. But I ended up paying 16k and got the car with the same mixing problem I don't recommend this garage to anyone. I had to pay extra 3k the price. I ended up paying 20k for this problem but it was just a simple problem which a qualified can easily RESOLVE. They wrongly diagnose my car and replaced parts that were working only to realise late the it was a gearbox oil cooler. Never again will I set my foot here even if it the last garage letft in Cape Town