^^^ I have had both an n54 335i and an n55 335i. The power of the n54 was unmatched in the n55 however I had way more problems with the n54 and the HPFP. That said is is a completely different b46 engine. Side note, I did not have any problems in the first 3 years of the n55 f30.
I am not sure there is enough data in BMWs to make this call, however I'm pretty sure this has been used for a bit longer with Mini Cooper.
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On Order - 2023 G80 M3 Comp Grigio Telesto
2023 X3 M40i Brooklyn Grey (wife)
Retired - 2019 G20 330i Alpine White / 2016 F48 28i Alpine White / 2013 F30 335i Alpine White / 2009 E90 335i Space Gray Metallic
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