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      11-18-2020, 04:22 PM   #59
ghost135i
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Drives: 2012 135i DCT
Join Date: Oct 2019
Location: New Jersey

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Quote:
Originally Posted by F87source View Post
Quote:
Originally Posted by ghost135i View Post
Sorry to hear. I think you will be very happy with the experience the GT4 will provide however. Please elaborate on this stuttering issue you are talking about, it is news to me. Are there any active threads discussing it?
What I have seen is alot of the xdi users are seeing this issue compared to other upgraded HPFP users.

It also sounds like it's occuring under high gear, low rpm, and high load which is a phenomenon called lugging - which is extremely bad for your engine, hence why you should down shift before accelerating under these high gear low rpm scenarios.
Yeah lugging any engine is terrible for it.

And okay, if this is an issue with XDI users then that's probably why I have not heard of it. I have the older n54 style fuel pump that the early model n55s received.
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