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BMW 3-Series (E90 E92) Forum
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Sick and tired of these high pressure fueling shenanigans.
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10-10-2018, 08:29 AM | #23 |
BMW Portland
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Update:
Reinstalled my stock intake and reset all adaptations (didn't do this after replacing the HPFP). After 2-3 cold starts with no long-cranks but a bit of stuttering, they have progressively gotten better over the last week. As of right now the last 5 cold starts have been long-crank free with the only issue I am experiencing being "hiccups" during the cold start sequence. Thanks for the help and information everyone!
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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10-30-2018, 02:22 PM | #24 |
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Ok, my turn to vent. My car has Pure 2, PI, and the whole 9 yards of supporting hardware. It has a custom Twisted Tune, running e50 at 22 psi. While the car does not necessarily have long cranks it has been running like a dog for several weeks. Out of the blue the other day I got two codes: 2BEF and 2BF0. I cleared the codes and reset adaptations. Power was restored, but only for a bit. Back to flaccid, but not limp, mode.
I found this and another thread. Before I cough up 400 + install cost to see if the HPFP swap I wanted to be as sure as I could before wasting my money. I say wasting since in logs the fuel pressure seemed ok. > 2000 psi through a few runs. I have 68 K miles, and this is the second HPFP, replaced at 30 k or so under CPO. Guys, please comment on how y'all resolved this condition. |
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10-30-2018, 03:47 PM | #25 | |
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10-31-2018, 11:32 AM | #27 | |
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We need upgraded HPFP to really see the benefits of this engine long term. |
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10-31-2018, 12:38 PM | #28 | ||
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10-31-2018, 12:57 PM | #29 |
BMW Portland
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http://tuningtechfs.com/ttfs-n55-hig...p-single-pump/
Tuning Tech FS recently came out with one. Its spendy though.
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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10-31-2018, 01:01 PM | #30 | |
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10-31-2018, 01:41 PM | #31 |
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10-31-2018, 07:31 PM | #32 | |
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And then there is Alex. His big power build may be in vein. He must be warned. Last edited by Ozzie335i; 10-31-2018 at 07:39 PM.. |
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11-01-2018, 11:18 AM | #33 | |
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The reason why i say what i say also, i dont think there would be work and research from other teams to improve or redesign if there wasn't a known issue. Esp with that type of price tag in the thousands. |
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11-02-2018, 08:00 AM | #35 |
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Good catch. That being said, I know TTFS just finished up R&D on an upgraded pump for those of us with the 2011 and older cars. Not sure if they have it listed for sale on their website yet.
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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11-05-2018, 03:23 PM | #36 |
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If you buy a new HPFP get it from FCP euro, lifetime warranty and you'll get unlimited amount of them if they break.
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
2012 BMW 135i N55 DCT Alpine White/Coral Red, FBO, TBI, Full e85, JB4 BEF-Sold 2006 Z4 M Roadster Black/Black-Sold 2021 M2 Competition DCT Hockenheim Silver |
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11-06-2018, 10:25 AM | #37 |
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if one is not running any type of alternative fuels, any point in upgrading the HPFP?
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Mod List: Twisted Tuning MHD tune, XHP3, ER Charge Pipe, catless DP, ER Competition FMIC, Pure Stage 2 Turbo, PURE High Flow Inlet Pipe, ER Outlet Pipe, GFB DV (Plus), Gruppe M intake, Supersprint full exhaust
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11-06-2018, 10:40 AM | #38 | |
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If you have a 2011+, then yes there would be a point in upgrading your HPFP if you're running a anything more than just bolt ons and a tune. If you're 2011 and older, you mainly just need to upgrade your LPFP to run alternative fuels.
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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