Hazard Flashing Warning Light Unit problems of the 2009 BMW 328

My situation is power supply related, my headlights and part of my cluster display cash board began flickering, making an electrical noise and with the switch on off possition the lights did not want to tuirno off. I notice this on around June of 2018, I was driving on my way home from eating pizza, smell something like burn plastic, I asked my wife do you smell something like burn rubber?, she said yes but were is it coming from?, I paid not much mind to this later when I got home I smelled it again, lfelt the car some what hot but the samel was not strong so I paid no min, after a few weeks I had to change a water hose then another water hose, the when I tuern the car off the lights on the car and the triangle hazard light did not want to turn off even with the light switch on the of possition. My 2009 328i BMW was left at the autorized BMW service center in guaynabo, p. R. On the 18th of augost 2018 and is still at this service station but always come with an excuse to what the problem is, I know its recall related because its an electrical situation but the advisor at the servicice center always says its not recall related, at first they said they fixed the light probnlem but the noise continiued and that the noise came from the radios amplifier, then they said it came from tyhe cars fuse box, noe they say its the cars cas but tha this is not recall related, I told them that if this cas is the codified key entry that this should be recal;l related because its a power supply component and thats an electrical part so its recall related, they said its not related but that they have sent for the part and would be arriving on the 2ed of November of 2018 and they will inform me when the part arrives and that they are going to pay for the part and the service.