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02-24-2014, 11:02 AM | #45 |
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02-24-2014, 11:34 AM | #46 |
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Would really like ess to come in here and talk about this choice an the reasoning behind it .......
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02-24-2014, 11:50 AM | #47 | |
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http://www.esstuning.com/products/Z4...er-System.html *The Z4M is very sensitive to vehicle sensor feedback. It is critical that all sensors and factory hardware components are in proper working condition. It is not uncommon to have the vehicle go into a power reduction mode during operation due to a fault during vehicle self diagnostics. |
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02-24-2014, 12:23 PM | #48 |
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I can understand their reaction.
I mean if you -as a manufacturer- go on forums you're most likely going to deal with problems from end users who haven't installed the kit themselves. And if they did, they don't have any real hands on experience with bmw factory diagnostic equipment. And even then, a problem is hard to diagnose as you're not working in person on the car. Has any of you had such problems (or other problems) and had the kit installed at ESS (norway/arizona)? Or at least at one of their official dealers (you can go to them and let it sort out). If the engine goes into limp mode, it is saved in the dme memory (codes, mileage, speed and rpm), so they can always read that code. I mean somewhere there is a line between product support and installation support. (not that i'm saying that ess isn't at fault here or something like that, but matters like this can be 'complicated') If you go and react on a forum, you (as a manfacturer) mostly want to ask questions that the person cannot answer, and further more you have to deal with all the static from other users. Sorting out these problems with the supplier is best done in private. (I think there's a big difference in the opinion one'd form from reading about ess on forums, or when calling or mailing them. (maybe calling is even better)) If I was a manufacturer, I certainly would not (or at least as little as possible) react on a forum like this. There is also not much moderation here. If you look at a forum like bimmerbo0st, a lot of manufacturers/tuners are more interactive, but that is mainly because of very active moderation from sticky, so chances on a negative thread are slim (as long as you're sponsor). But as ESS is not a sponsor there...... they are of course the bad guys still... that statement on their website is a bit questionable..
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Z4 3.0i | ESS TS2+ supercharger | Quaife ATB LSD | Brembo/BMW performance BBK front/rear | Schrick FI cams | Schmiedmann headers+cats | Powerflex/strongflex PU bushings | Vibra-technics engine mounts | H&R anti rollbars | KW V3 coilovers/KW camber plates | Sachs race engineering clutch | tons of custom sh#t
Last edited by GuidoK; 02-24-2014 at 12:31 PM.. |
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02-24-2014, 12:32 PM | #49 | |
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02-24-2014, 12:48 PM | #50 |
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Maybe they didn't knew (or at least not actively knew) that you had the smaller injectors.
At least I don't think they were holding back anything or so. In my experience they are always very generous with swapping parts etc if something is not quite upto expectation etc. I recognize the wrong parts issue.... I got a kit for a e46 (and yes, there are a lot of small differences, on what is supposed to be the same engine...that had cost me an oil filter housing if I didn't knew how to weld aluminium...). And later they forgot to send some other small stuff... And DME's that take forever with fedex...... So yes I agree, logistics are definately not their strong point (but I don't know if that's any better with the competition as I have no other experience on this)
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Z4 3.0i | ESS TS2+ supercharger | Quaife ATB LSD | Brembo/BMW performance BBK front/rear | Schrick FI cams | Schmiedmann headers+cats | Powerflex/strongflex PU bushings | Vibra-technics engine mounts | H&R anti rollbars | KW V3 coilovers/KW camber plates | Sachs race engineering clutch | tons of custom sh#t
Last edited by GuidoK; 02-24-2014 at 12:56 PM.. |
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02-24-2014, 01:11 PM | #51 | |
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02-26-2014, 03:52 PM | #52 |
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I got these today from ESS , they are according to the Bosch table I looked up 440 CC @3bar . So at our 80 psi fuel pressures they should be enough . I will be installing them and the new tune on Friday and hopefully setting up a dyno session next week .
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03-01-2014, 02:06 PM | #54 | |
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for 10 years of selling the s54 kit ess doesnt seem to have had any issues with these, again they are the experts, so if they are happy, im happy at this point. my injectors have the part number burn't off interestingly.... our fuel pressure @ 5 bar makes these lower cc choices work. all i know it works and has done for numerous years without issues, however its good that george high lighted the issues when adding a touch more boost or other upgrades you will quickly run out of injector! again my AFR is a solid 11.5 at WOT/redline... i wonder what injector VFE use.
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03-01-2014, 05:47 PM | #55 | ||
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03-02-2014, 09:16 AM | #56 | |
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My math show those injectors aren't enough for these power levels unless these are some sort of magical injectors. |
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03-02-2014, 11:44 AM | #57 |
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Mine are grey .
watch the last 15 secs when im on the straight and fully in throttle.... 11.3 so clearly enough fuel.... ignore the rest of the clip im on and off the throttle as this is a sprint course. must be those magic injectors huh ??
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Multi award winning Detailing | Wrap | PPF specialists UK based - www.topwrapz.com Last edited by Beedub; 03-03-2014 at 10:36 AM.. |
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03-04-2014, 11:30 AM | #58 | |
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03-04-2014, 01:04 PM | #59 | |
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but i hear you george and as said i defintely respect what your saying the current injectors leave no room for movement and tbh.... i think its worth while upgrading and retuning... these injectors only work due to our insane fuel pressure.... id still love ess to come in here and post their reasoning for using these and why the continue to use them, but i agree, this is very much, these will do attitude instead of over engineering..... luckily its an easy fix tbh :-) would be nice to drop fuel pressure and run a proper largeer injector from the like id I.D or ansu.
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03-08-2014, 10:58 PM | #60 |
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I've just gone through this thread, and am pretty confused. I'm running VT1-445 kit. Presumably I'm running 350cc injector? I have catless headers and about to install catless exhaust section 1. Will i run too lean WOT at redline? I have not experienced any problems with just the catless headers so far. Or maybe I'm running lean already but I just haven't realized it?
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03-09-2014, 03:19 AM | #61 | |
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03-09-2014, 07:39 AM | #62 | |
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03-09-2014, 07:41 AM | #63 | |
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I am not able to get that limp mode on the street. |
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03-10-2014, 02:33 AM | #64 |
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Knowing how you drive from you other posts, i feel that you are experiencing some fuel starvation or inadequate fueling. care to try a surge tank kit from radium?
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03-10-2014, 10:05 AM | #65 | |
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03-10-2014, 10:58 AM | #66 | |
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