I was running on 12psi of boost for months on JB3 1.3 Map 7... eventually it crapped out and triggered CELs each time the car was restarted. It turns out the Solenoid and vacuum lines were bad according to the dealer. Now I'm boosting in the 16's after getting her back. I think it's a leak somewhere too, especially if you were seeing 18-19, and now you're in the 15's on the same gauge.
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E90 LCI N54 6AT
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