Originally posted by Benz300
my 87 260E has the same thing. I took it off once just to see what it's function was. the car ran fine and no warning lights lit up either. so what does that mean ? There must be some function but what is it specifically ... ?
There is no electrical connection on that so I do not beleive it will trigger one light.
You say you removed the one on your car, did you have the engine running without the device? any coolant leak?
Does it run without the device?