Quote:
Originally Posted by Hujan
The wife has been complaining of issues with the Z4, most notably a sudden shutdown when she goes down the long, spiraling exit ramp in the parking garage at work. The car shudders and goes into limp mode and then she has to struggle to get it started again. She also complained about rough idling especially on startup.
I have been driving the car the past two days and it is definitely jerking and shuddering at idle and even when driving, especially before it's had a chance to warm up. In addition, I detected a faint "whine" from the engine bay that sounds a bit like the noise in that video. I was definitely planning to take it in before, but now it's a no brainer I think.
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Definitely take it in ASAP. My guess based on the other thread is injectors or HPFP. Good luck!!