Brand Remote Start/keyless/car Alarm Very Sleek "bmw 320i security" Questions

where is the central lock unit on a 320i bmw for up and down wire check on the drivers door

Bmw 320i e90 2007 model I drove through rain water and car stooped and cant start . what is the problem Hi, if you dont think that ther was any phisical damage to the car, than it is just water, I ...