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BMW 3-Series (E90 E92) Forum
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Do I need Fuel Pump Upgrade
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| 07-09-2016, 07:21 AM | #1 |
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Second Lieutenant
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Do I need Fuel Pump Upgrade
I am running FBO now and very soon will install Pure stage 2, so do I need to upgrade my fuel pump, if yes which one do I need.
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| 07-09-2016, 03:03 PM | #4 | |
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Second Lieutenant
49
Rep 292
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Yes upgraded inlet and DV
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| 07-09-2016, 04:04 PM | #5 |
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Captain
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http://boostconcepts.net/products/fp...-fuel-pump-kit Anyone know anything about this review wise? I mean it uses the same WAlbro pump right?
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| 07-10-2016, 11:19 PM | #6 |
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Major
 
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Depends on your power goal and type of fuel being used. I'm on the stock fuel system @ 23psi to 6800rpm, and I still have plenty of fuel on tap. 93 octane. I also run water/meth injection.
If you run an E85 fuel blend over 25%, and 450whp, you may need a LPFP upgrade.
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2011 335i X-drive 6AT / Pure turbo / 500AWHP/526TQ
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| 07-11-2016, 06:34 AM | #7 | |
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Second Lieutenant
49
Rep 292
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I dont know if I will be using E85, but my step up is like yours and will use 95 octane, which I think its like 92 back here.
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| 07-11-2016, 06:52 AM | #8 |
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Colonel
 
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I think you will definitely need to upgrade the low pressure fuel pump if you are not running meth, which can alleviate the under fueling.
Some cars even struggle top end with stock Turbos at high boost.
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GC Turbos, FBO, JB4, DCT, Port Meth injection, BMS Charge Pipe, NGK plugs. EBC brakes and pads, LED Angel lights, LED foglights, LCI rears OCC, Braided brake lines. Custom Diff Lockdown Kit, VTT inlets, TMAP, stage 2+ fuel pump
11.79@119mph (stock turbos) 11.74@129mph (GC Turbos) |
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| 07-11-2016, 06:54 AM | #9 | |
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Second Lieutenant
49
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Will be using meth
I guess will upgrade but damn they sure cost $$$ Quote:
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| 07-11-2016, 07:08 AM | #10 | |
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Colonel
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GC Turbos, FBO, JB4, DCT, Port Meth injection, BMS Charge Pipe, NGK plugs. EBC brakes and pads, LED Angel lights, LED foglights, LCI rears OCC, Braided brake lines. Custom Diff Lockdown Kit, VTT inlets, TMAP, stage 2+ fuel pump
11.79@119mph (stock turbos) 11.74@129mph (GC Turbos) |
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| 07-11-2016, 02:54 PM | #13 | |
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Lieutenant Colonel
 
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VRSF 7" IC, VRSF CP, aFe panel filter, VRSF DP, Pure Inlet Pipe, MHD/Twisted Tuned, Performance Exhaust, Koni Yellows on Eibach Pro Kit springs, Turner adjustable front endlinks, R1 Concepts Slotted Rotors w/ Hawk 5.0 pads, VMR's 710, Fuel It Stage 2 LPFP, 3.5 TMAP, CYBA 3.8" black chrome exhaust tips, Orange Vinyl Wrap, CF bits, coding, Pure Stage 2 turbo w/ DV+(NGK plugs), xHP trans flash, and more.
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| 07-11-2016, 06:28 PM | #14 | |
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Second Lieutenant
49
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My friend has BMW workshop, so I guess he can help me.
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