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06-10-2013, 02:33 PM | #1 |
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Cobb vs ESS
So I have done some searchs and reading. Seems that Cobb was suffering a year or so ago as there was errors with cars with DCT. Havent ever heard of any horror stories from ESS, besides that its a brick once you are done with it unlike the COBB.
So which to chose they are both about the same price but one has value after you use it while the other is pull the trigger and done. COBB (at least by video, seems far easier to install) on the fence on these two mods. |
06-10-2013, 04:56 PM | #2 |
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I use Cobb on my 135i for 2 years with zero problems and for 6 months on my DCT Z4 with zero problems. Also, all of their tunes are free where as ESS charges you for all of their tunes. Get Cobb and you will be very happy with the results.
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06-11-2013, 05:50 AM | #3 | |
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More info of rather low quality here http://www.e90post.com/forums/showthread.php?t=850011 Here is also a link to a comparison made by mpbruin108! http://e89.zpost.com/forums/showthread.php?t=818845 BTW my general opinion is this: You will get a high quality tuning product from any tuning company that also offers engine/throttle response and perhaps DCT optimization. Because if they can make optimizations in these areas, then they probably know what they are doing. And to such tuning companies, simply increasing boost targets and HP should be the easiest part. I wouldn't be too concerned with who is spending more on marketing/fancy websites or choosing the right pricing strategy. The best engineers are sometimes the worst business people. Finally it is also worth following this open source project to learn more about what a software tuning product actually is, and what you pay for: http://www.e90post.com/forums/showthread.php?t=828601 |
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06-11-2013, 09:32 AM | #4 |
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Seems that most of those threads are leaning me towards the COBB. Unless I am missing something seems like there is no reason to go ess over cobb unless you like a 1000 dollar brick
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06-11-2013, 10:35 AM | #5 |
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Does ESS allow you to uninstall and resell?
As for Cobb, I believe you can "unmarry" the tune and then sell it or put it on another car. That'd be a big factor, if someone were looking at these tunes. |
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06-11-2013, 01:43 PM | #6 |
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Nope, once you install the software the devise is married to that cars vin forever basically becoming a paperweight.
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06-29-2013, 09:54 PM | #7 | |
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I spoke with someone at Cobb the other day and that person told me that the Accessport takes an "exact snapshot" of the ECU so that when the Accessport is uninstalled it will bring the ECU back "exactly the way it was before the installation" The Cobb site is also very clear on the fact that you can resell an uninstalled Accessport. |
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06-30-2013, 06:35 AM | #8 | |
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I used ESS in the past on a M3 and I do believe that they know the BMW product very well. However, their product is very inferior to the Accessport and I would never buy something that I could not resale. Also, you have to pay for every tune that ESS has and you can use any of Cobb's tune for free. |
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06-30-2013, 09:29 PM | #9 |
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lamboworld, do you have any experience withe the Stage 1 COBB 91 sport map vs. the 91 aggressive map, or did you go straight to full bolt ons + FMIC ?
trying to figure out how much power loss there is between the maps. my understanding is that it is about 10whp peak and the high end before redline is more conservative with the sport |
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07-01-2013, 03:54 PM | #10 | |
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https://static.cobbtuning.com/cobbtu...Accessport.pdf |
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07-01-2013, 06:50 PM | #12 |
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Maybe but the Cobb is so much more driveable than JB4. I also raced other N54 JB4 cars at the dragstrip with similar mods and I never lost. Only lost to N54 cars running Meth and at 19psi.
Here is my Dyno from my 135i. With the Cobb E30 race map it would probably put down 400rwhp and 440tq. An upgraded suspension is a must if you are going to put this type of power on the Z4. |
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07-01-2013, 07:54 PM | #13 | |
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07-01-2013, 09:46 PM | #15 | |
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07-03-2013, 01:50 PM | #16 |
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user can put whatever map they want. My understanding is that many are fine using the "aggressive" 93 octane map on their N54 DCT car
BTW, OP, you should be prepared for some back and forth due to newer ECU version if you have a newer car. |
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07-04-2013, 02:06 AM | #17 |
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Thanks, I wonder how much power a coob will extract out of a 35is without any other mods.
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07-04-2013, 03:27 AM | #18 | |
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their website is suggesting gains of 8%HP and 6% TQ for the otherwise stock 35is (i.e. stage 1) http://www.cobbtuning.com/BMW-N54-Ac...ower-gains-z4i Seems like its more worth it for 35i.... 30%HP and 38% TQ stage 1 gains No values in the Y axis but seems like 35i and 35is become pretty similar at "stage 1" |
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07-04-2013, 08:31 AM | #19 | |
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07-11-2013, 06:46 AM | #20 |
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well I bit the bullet and picked up a cobb today...will update once I get it. Also picked up a smart top too..with summer its become a drag holding that button.
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08-20-2013, 02:33 AM | #22 |
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Just to update. I have had my cobb Stage 1 aggressive on the 35is now for 2 weeks (no highway drive just yet)
Install: Overall it was as idiot proof as possible. There was a snag due to EU vin that had to get reset on my unit but that took a just a couple day to sort out. Afterwords it really was a plug and play. On a note it really does take about 12-14 minutes to complete so prepare to hang out in your car a while. Experience: The two most noticeable things are the response and torque. Having it in Linear mode the engine acts more of an NA engine than a Turbo engine. You can feather the throttle and know the amount of power you are about to extract without this sudden shock of boost kicking in. Torque. Now that the overboost function is on (depressing the gas pedal no longer increase the power, it only drops to the lower gear available relative to road speed) the 35is motor produce a mountain of torque that was never available till you floored it. having 400 foot pounds on tap without flooring changes the entire car. |
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