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BMW 3-Series (E90 E92) Forum
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Fueling Upgrade
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01-09-2024, 11:12 PM | #3 |
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in case ur wondering, unles someone posts something completely contradictory, i’ve decided to go stage 2 lpfp and stock hpfp until it or the ebay turbos fail and then i’ll go port injection
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01-09-2024, 11:40 PM | #5 |
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imo you need port, stage 3 and an lsd. i wouldnt cheap out on fueling and even stock lsd is helpful
https://bmwtuning.co/bmw-n54-fueling-mods-guide/ Last edited by 335i54n; 01-10-2024 at 05:25 PM.. |
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01-10-2024, 09:10 AM | #6 |
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for 550whp ? not sure...
Stage 2 walbro 450 or 550lph with a cooling mod on the EKP, should be enough. Also the DIY guide is pretty easy, and this mod is cheap. if you street tune with MHD or JB4, Ill check what would be the limit with a stage 2, and then evaluate if a stage 3 is needed. More work, more failure point since it need a relay and a signal. port injection or meth is always a good idea on a n54 in that HP range. |
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01-10-2024, 10:42 AM | #7 |
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Walboro 450 and some meth. Port injection if you're going for 100% E85 since your HPFP will crap out. LSD isn't needed if youre keeping your tq under 600 IMO, so contact your tuner.
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2007 E92 335i - MHD, Turbo Technics 19T's
2008 E60 535XI - JB4 2010 E92 335i - JB4, Borg Warner EFR 8374 |
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