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      01-01-2013, 05:44 AM   #8
Fully_Bolted
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Drives: E92 335i
Join Date: Sep 2012
Location: USA

Posts: 443
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Quote:
Originally Posted by nukezero
Quote:
Originally Posted by BMWM.D. View Post
more like a 350i

But yeah, the noise you were hearing is the fuel pump running while the DME was programming. Totally normal. In the future, I'd recommend turning off the daytime running lights (or connecting a battery charger) before flashing the DME. It's best to keep the system voltage in the 14's if you can.
why does the fuel pump need to run when the car is programming? does the DME feed on fuel???
Don't ask questions, just flash
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