Front wipers stopped on 2001 X5

[vladc77]

The front wipers on my 2001 X5 4.4 suddenly stopped working.

1. Rear wipers are fine. The water is also available.
2. Front windshield washer also stopped working
3. Front wiper motor is not running, therefore it is not a linkage problem
4. I checked fuses and both of them are fine.

Any ideas on what is the problem can be are highly appreciated.
I suspect a defective relay, or control module (if this car has one).
Where is the wiper relay located? Is there a separate wiper control module? where is it?