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BB Flash issues

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Alright, I just spent the past 2+ hours trying to re-flash my car, and kept getting the dreaded Bad DAF/ Map Error. Of course I have the suck of the suck K-line 07.

Anyways I bought some hardcore battery charger, hooked that up and still got that error with my backed up ECU file.

So I went ahead and tried using the BMS JB4 G5 Pump flash file, and it fired right up, no more issues.. so a couple noob questions here.

Using this file - will I run into any issues since its not my original ECU file?

The whole reason why I was re-flashing it with a complete write was to code out these stupid DTML SES lights I am getting, I replaced the pump today w a brand new one. still getting those lights.. So with that in mind - do I need to do a whole rewrite to code out stuff, or can I just do a partial write?

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