Automatic box of 320d 136cv broken

Hello, I bought the Secondamano car and sounded a tak tak in Vajas Reboluciones I did not give it to it but today I come travel and get so quiet at about 140kh begins to lose power until I arrive at the rise and stop and it does not start in the painting appeared a Hy like the drawing of a pinion I know that the box has abeia but that you can tell me

Hello, I think you are talking about a BMW if so, it should be taken into account that year it is because in these same cars there are several models of transitions, some are electronically managed (I think it is your case) and others not, but it is always essential that the level of the trnsmission liquid this dent of the values ​​suggested by the manufacturer, as the measurement of the liquid electronically with a scannerde the brand.
Likewise, if you listened to a noise, it is surely late for the issue of the lubricant level and there must already be mechanical damage. Therefore you should not start the vehicle until discovering the problem. Seta can be na of the reasons there can also be other problems that would give you the same symptom without the box being broken. greetings and I hope it helps you

Cres that if the car does not start from the change or the engine I deduce that it was the change because before stopping in the picture an H and the drawing of a piñon on Tuesday they bring the car to the workshop I suppose that the mechanic will know it I have looked sites to fix the change from € 1500 to € 2000 but first I will check the workshop I will tell you

Ok I hope news I would like to send me what exactly the fault to take it into account in the future thanks and good luck