So now you're saying you initially had 'no spark' after changing the SAP ? Did you check to make sure you didn't pinch any wires under that cover that you fitted at the same time?? If I recall, it would be pretty easy to get some wires pinched under bolts that hold the cover if they where a little long. You only got the EWS code after resynching right??

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1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)