To get this back on topic ... when did Bosch start making the round relays? All of the round red and black relays were made exclusively by Wehrle ... at one time!
Of course ... the last red ones I got didn't have a brand on them, just the stylized Porsche 'P' mark and the 'Made in China' marking! This sourcing for the fuel pump relay was was mentioned last year in the following thread:
http://forums.pelicanparts.com/showthread.php?threadid=68478&highlight=chinese+red+relay