Thread: N54 to N55 Swap
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      09-21-2021, 01:23 AM   #6
Private First Class

Drives: 2008 E93 335i
Join Date: May 2020
Location: Atlanta

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Originally Posted by TheBlownE92 View Post
Thanks for the input. I have found both an n55 and an n54 for sale in my area. I was leaning towards the n55 just for the reliability. I'll definitely pull the serpentine belt this week and try that. Thanks for your input
E series N55 is no more reliable than the N54 really, same injectors, same HPFP, same water pump, turbo problems, vacuum issues. It's not much of a difference unless you are looking at F chassis EWG cars. Good luck, keep us updated
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