Wipers in my BMW E36 coupe 1994 work only on highest speed. What can be the cause?

Yesterday they stopped working properly. Now they work only when I start the engine and put them on highest speed! Can't be the motor obviously.

Been searching around and few other ppl had the same problem, but couldn't find solution or at least the cause.

Any BMW experts around here? Please help!Wipers in my BMW E36 coupe 1994 work only on highest speed. What can be the cause?It's defo not the motor as wipers work at high speed. 99% sure that it's related to the switch. Either bad connection or faulty stalk.Wipers in my BMW E36 coupe 1994 work only on highest speed. What can be the cause?Could be the switch but when the wipers only function on one speed the wiper control relay is the most likely problem. It is in the fuse box and will look something like this:

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Check the fuse and relay layout diagram on the back of the fuse box cover for its location.Wipers in my BMW E36 coupe 1994 work only on highest speed. What can be the cause?There is an intermittent relay in your fuse and relay box under the hood. They can go bad after several years. Many times, you need to remove them and just clean them out so the contacts are rejuvenated. Good luck!!Wipers in my BMW E36 coupe 1994 work only on highest speed. What can be the cause?
bad relay or resistor

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