EWS delete must be DME deleted too. The module bypass must be in place or the starter wouldn't crank. I know, I did it to mine while chasing down a parasitic draw. The good thing, it was reversible.
What's the difference in compression between cylinders? More than 10% on the next cylinder is not good.

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'06 X5 3.0i - bought @143,123 miles (12/26/20)