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Hi. As speedbox 3.0 failed on my MY15(I think) with 1.4.8.0 software. I'm looking for alternative that is 100% working without detection.. Any ideas? I sent an email to bikespeed RS about it, will see what they gonna say.

Hi guys, my motor has been replaced about 2 months ago because of error 500. I got new motor, i've done about 250 miles so far with speedbox 3.0 and error 504 turned up. I got Bosch performance cx line with 1.4.8.0 DU software. Error 504 turned up when i was standing on the red light. And now...