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      05-14-2026, 10:15 PM   #64
BimmerMan33
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Drives: 2011 BMW M3, 2014 BMW X5
Join Date: Apr 2014
Location: Illinois, USA

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As above posts mentioned, I too believe that NRW might unmask preexisting fuel system issues which are mostly age related…
Personally, I’ll be replacing the in tank fuel pump/regulator & filter, then replace the injectors. Once done, should be good for 10 yrs & no need for in-line fuel filter..

I test fitted the NRW filter but was not happy with how it sat.. would’ve been different if it were smaller in size! It’s sitting on the bench for the past year.

On a different, I’m noticing some hesitation while accelerating in 1st/2nd gear for a few seconds if I drive away without warming up for 20-30 seconds after a morning cold start.. anyone else experiencing something similar?
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