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      06-14-2018, 12:26 PM   #1
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Drives: 2006 Z4 3.0i
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Engine Loss of Power

Like some of you'all, I've just started to experience engine loss of power. Mine happens when I'm driving 40+ mph and accelerate fairly hard. Never from standstill or low speed, which is the same as some of you'all have noted in other posts. And I only have 7k on the car.

My problem is that this has happened only recently and maybe 5 times and I can't remember whether they all happened after the car had warmed up (I normally wouldn't hard accelerate if the engine wasn't warm). Anyone remember when their engine stumbling occurred, ie., warmed up or cold?

It's at the dealer (it's a lease), and, of course, they said they couldn't reproduce it and there are no codes. They want me to come down and drive it with the tech, to show them the issue (well at least that's some progress from "we can't fix what we can't find.").
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