Best ECU upgrade available for the C55?
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2006 BMW X5 4.8is and 2005 C55 AMG
Best ECU upgrade available for the C55?
Basically, I'm looking for the ECU that gives the greatest horse power and torque increase? Are there any that can give a 50hp and 50lb-ft boost?
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Originally Posted by RawAMGpower
Basically, I'm looking for the ECU that gives the greatest horse power and torque increase? Are there any that can give a 50hp and 50lb-ft boost?
Eric...
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2006 BMW X5 4.8is and 2005 C55 AMG
According to powerchip there upgrade gives you 25hp and 26lb-ft more. Does anyone know if brabus or kleemann offer an upgrade without getting the supercharger?
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