Bmw series 1 does not start

Hello colleagues.
I have changed the battery of my BMW series1.
When trying to start the car, everything is activated on the console correctly, but when you press the ignition button the boot contact is activated but the engine does nothing.

Could it be that the engine is blocked by disconnecting the battery? Could it be that the key is evil?

Thank you very much in advance.

Let's commit for the start, why did you change the battery?

Thanks for answering.

The battery changed it, because it was already very exhausted and had to start the car with tweezers.
Once started, during the following days, the car worked correctly but when stopping it for a while (2 - 3 days) the car did not start.
For that reason they change the battery.

Before that everything was fine? If so, you have several options, being the first to get the electronic accelerator, something that happens a lot, but a lot to the New Yaris, but there is also the possibility that some fuse me It is difficult but not impossible vastary with trying with the other key and now.