What tool do I need to press fit a "Spanish" bottom bracket?
The rather trivial answer is look at the documentation for various bottom bracket presses and see if a bushing set for the BMX Spanish type is available.

For example the Park Tool BBP-1 documentation explicitly specifies that it supports the BMX Spanish type.

If the Spanish BB is not listed you need a press that has an bushing set that works with a 19mm axle and 37mm outer bearing race.

This is the type of task where rather than buy a tool that costs several hundred of dollars it is better to go to your local bike repair shop and have their mechanic do it or go to a bike repair co-op and rent space and tools for the 15 minutes it will take you to press the bearings.