Do you have a picture of your "new" steering wheel for the nice people at home?
Remember that the MX-5 coolant temperature gauge is far from linear. So after it gets above the "12 o'clock" position, your engine is seriously warm. I think it show's 12 o'clock between 70?110?C or something. So you should be very careful letting the temperature rise above that, or it will lead to head gasket replacement. Does the cooling fan work?
Love how the M5 just... disappears. Then you catch him by the corner
A SKF water pump is 55 Euros at kfzteile24.de - and you can easily change that on the parking lot.
In that case I think I should kick off a crowd funding exercise to get you mobile again.
Put me down for 10 bucks to start things off if someone in 'Schland can sub me until Ringmeet.