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BOSCH CX GEN 4 - 1.1.X.X

pmac

pmac

Member
Jul 14, 2020
12
7
Perth
What is the best Bosch CX Gen 4 firmware to avoid 504 errors on a chipped motor?

I have one bike with 1.1.0.0 and that got a 504 error. Another has 1.1.2.0 and no errors after 600km. Both have PearTune MSO 3.0 chips. Is it worth upgrading to the 1.1.5.0 firmware?
 
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