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09-13-2018, 07:33 PM | #23 |
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Pump and install kit received. Car is on reserve. It's fuel pump time tomorrow.
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09-13-2018, 09:11 PM | #24 |
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09-14-2018, 08:03 PM | #25 |
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That was not a difficult project. I did use the newtis website to be sure I removed things in the proper order and didn't break anything. Car is happy.
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09-29-2018, 07:24 AM | #26 |
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Drives: e63 650i, F10 535i, E93 335i
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Sorry for last response, I can run straight 85 on MHD e30 map 1. For map 2 and 2+ I need to keep it at e60 or less.
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2012 535i M-Sport PWG, Wagner FMIC, VSRF no meow, chargepipe, Walbro 450 with custom fuel lines, MHD map e30 2+, JB4 (monitor and logging only now), xHP Stage 3, K&N drop-in, Paddleshift retrofit
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11-15-2019, 01:42 PM | #27 |
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To revive a older post.n Thanks to the OP for this as I am about to tackle changing out my lpfp with a 450 this weekend!
To the OP; did any coding have to be done to the fuel pump control module to accommodate the increase in current draw so that the CEL will not be triggered? Last edited by jayster0966; 11-15-2019 at 02:04 PM.. |
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11-15-2019, 02:47 PM | #28 | |
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Also, make sure you get this: https://www.amazon.com/gp/aw/d/B001R...b_b_asin_title O'Reilly also sells this part. You cannot use the stock hose as you have to cut it. |
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11-18-2019, 08:54 AM | #30 |
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You can run 100% E85 using the pump but will hpfp will be handle is another question.
So yes and no... You will have to monitor as you increase to see if your hpfp can handle it. |
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11-18-2019, 08:57 AM | #31 |
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Drives: F10 S55, E93 M3, E89 N54
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Are there 100% E85 N55s out there? Is it just a matter of replacing both LPFP, HPFP, and getting a tune for it?
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11-18-2019, 01:40 PM | #32 |
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Well depends on what type of hpfp you have... My car is 2011 so it shares same hpfp as N54 guys, so I can get the Helix overdrive unit and that allows me to run 100% E85. For newer 2012+ got the newer style hpfp which requires a $5k solution to run 100 percent E85. But than I don't know if stock fuel injectors are up for the task? So many variables lol... I am still planning on upgrading to Helix overdrive unit by next summer.
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11-18-2019, 02:42 PM | #33 |
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Drives: F10 S55, E93 M3, E89 N54
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Good info! Mine is a 2011 with a 2010 production date so it's good to know we can do that upgrade and run 100% E85.
Last edited by BimmerHausPerformance; 11-18-2019 at 04:11 PM.. |
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11-18-2019, 04:56 PM | #34 |
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11-18-2019, 09:37 PM | #35 | |
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I appreciate that thank you. So getting a XDI-35 HPFP would also be an additional benefit? |
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11-18-2019, 09:38 PM | #36 |
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11-18-2019, 11:20 PM | #39 | |
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From what I have come to known doing my research is that old n54 style hpfp was capable of flowing more fuel than newer style hpfp. |
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11-24-2019, 02:06 PM | #40 |
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When doing this you need to upgrade the fuel lines. The rubber hose is not made for e85. You will need a QFS 9mm Corrugated PTFE hose. The XDI 35 will handle up to E50 with FBO tuned. After that you will need Port Injection or XDI 60 upgrade.
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12-01-2019, 02:22 PM | #41 |
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Just finished doing this upgrade and I must say that it was way easier than I originally expected. I used the following kit.
https://www.ebay.com/itm/GENUINE-WAL...72.m2749.l2649 Everything needed was in there and swap was straight forward. You can save a fair share of money doing this mod yourself. Only thing i did slightly different was i had to clamp the end of the nylon hose as it did pop off during testing. (all good now) On to installing my port injection! |
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12-01-2019, 08:45 PM | #43 | |
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So with this I can run at least E50? |
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12-01-2019, 10:00 PM | #44 |
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