hi,
i have a 1998 bmw 740il all the door locks wont work at all not even keyless intry remot nor the inside lock unlock button i checked fuses and power they are all ok but still no lock unlock, anyone knows whats going on thanks.

I have the same issue, but only for the front doors, i looking into changing a computer component, i will let you know if it worked, i am waiting for it to come. If you find a solution, let me know. Thanks