Good to have a second similar vehicle for part swap testing. (or in my case, bring a spare CPS to wife's X from mine to avoid calling a tow truck). Also happened once with fuel pump.

I would have already said new ≠ fixed, but i think you already mentioned the possibility. Good your sleuthing skills did get you there though!

You're at the point where i would say "piece of cake".

Ouch though.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)