Have you done what petermegan said?
If both sets of pumps are doing it, then I'd look at the relays, box under the port back seat. See if it's switching relays corectly.
BTW, you can flip al the pumps on the X2 without even changing any hoses. Rear ones are a little difficult.
'06 X2 MCX
"I understand why some people may not want to do this the way I have recommended but I can't understand the death grip some people have on a toilet plunger with a hose fitting." -JimN