Are you trying at closertopassion . com store?
If you still have problems, email my colleague Carlota carlota @ m-sport . com .pt and she will help you
I tried buying a Rally Pass for 18th May which costs 75 euro, but when I click on the payment button through Paypal, the cost changes to 210 euro in the Paypal window - it appears there is a mistake there that needs correcting.