My tcu tune is a no go for the 3.06 gears








Odd bit about the paddles no longer being recognized. Have you tried them in manual mode? The reason I ask is that the 2003 E55 TCU only shifts in manual mode using the paddles (not sport or comfort) ... 2004 and later TCUs shift with paddles in all modes. ... perhaps the TCU thinks it is an older one now (or has been swapped?)
good luck with this project,
Chris
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