Thread: Chipbox for M5
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      01-18-2013, 06:04 PM   #8
jmh
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Drives: F10 M5/F32 435xi
Join Date: Mar 2006
Location: Under a rock in NH

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Quote:
Originally Posted by ImpetuousRacer View Post
May be dumb question. Buy new OEM ECU, tune it, replace your OEM with it. Warranty time, swap ECU?
Won't work as your EWS will be miss-aligned (ie car won't start) and plenty of other things won't work and throw errors etc (mileage, modules, VIN etc)
Replacing the DME is not an exercise you want to try at home
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13 F10 M5 Individual / Brilliant White / Extended/Full Cohiba Brown (Exec/Driver/B&O/20") / A few Euro add-ons / Stealth K40 / Upgraded B&O / ///M Performance Carbon Interior Trim / Color matched side and front grills (lightly tinted LEDs) / Akrapovic Evolution Exhaust / Hartge Springs / HRE S107