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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 05-16-2014, 04:49 AM
3Thirty5XI 3Thirty5XI is offline
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Cobb Accessport V3

I have a 2011 335i with XDrive and am considering buying the Cobb Accessport V3 to increase HP. Has anyone had success with the V3, can you tune on your own or go to a Cobb tuning shop?
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  #2  
Old 05-16-2014, 05:53 AM
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CALWATERBOY CALWATERBOY is offline
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Originally Posted by 3Thirty5XI View Post
I have a 2011 335i with XDrive and am considering buying the Cobb Accessport V3 to increase HP. Has anyone had success with the V3, can you tune on your own or go to a Cobb tuning shop?

You haven't been doing your homework....you don't need to do anything but install.

JB4 is the market leader, and can do Meth, tip-top if power's your goal. Cobb's second and comparable to JB4 non-Meth maps.

JB4 offers flexibility Cobb simply is without. Cobb offers simple install but if you change maps, stop the car....find Cobb unit....plug in....wait awhile to install new map....put Cobb away....OK, now you can drive. JB4? Don't even slow down....push a few steering wheel buttons...done.

JB4 you gotta install. That's time consuming, once. Involves taking apart under-hood panels + ECU cover; plugging in. Does NOT remap ECU like Cobb - instad capability is on chip in unit.

JB4 can be hidden from detection during service - in other words, steering wheel buttons deactivated.

Enjoy - either'll give you satisfying thrust. Meth'll give you warp speed.
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  #3  
Old 05-16-2014, 05:58 AM
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CALWATERBOY CALWATERBOY is offline
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What's Cobb cost anyway? JB4 $500
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  #4  
Old 05-16-2014, 12:01 PM
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Verts4Ever Verts4Ever is offline
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Originally Posted by 3Thirty5XI View Post
I have a 2011 335i with XDrive and am considering buying the Cobb Accessport V3 to increase HP. Has anyone had success with the V3, can you tune on your own or go to a Cobb tuning shop?
I suggest you read through this rather lengthy thread over on E90Post. It will answer all of your questions.

You'll notice in the thread that you may need a DME firmware update in order to use the Cobb programming reliably, depending on your production date. Even if not, I encourage you to have your dealer update your DME in accordance with the attached service bulletin, since it remedies a number of N55 idling and throttle issues.

Cheers.
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File Type: pdf SIB 12 09 12.pdf (254.5 KB, 41 views)
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  #5  
Old 04-30-2015, 05:19 PM
cgbimmer cgbimmer is offline
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Hey I have cobb v3 I like it. I am only running sport map LT and feel more power. I will do intercooler and couple other mods change maps run log and you can modify your own tune if you download access tuner race for cobb..takes 20 mins first time to install I can pull over change maps in 30 seconds. I would only change maps when needed car needs to relearn so first 1/2 tank full will be crap.. Jb4 is great also, more people have due to price and they have great support both will give you power!
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  #6  
Old 04-30-2015, 06:10 PM
FLBimmer FLBimmer is online now
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I've used both extensively and while I think the JB4 is a good bang for the buck I would never go back to it over my Cobb with a custom Wedge/BuraQ tune. Yes the cost is roughly double if you go this route but my driveability is much improved over what I experienced with the JB4. Also consider what your future modding plans are as well. The JB can be a great "set it and forget it" tune but I really needed to tweak it once the mods started. I'm not a meth user so I can't comment on that and I found the on the fly mapping switching to be a feature I never used. Once I dialed in my daily driver map that's were it pretty much stayed.
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  #7  
Old 04-30-2015, 09:00 PM
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FLBimmer, what drivability issues did you experience with jb4? I have had a hard time finding anything unfavorable about it and am considering getting one. I have heard things like it is touchy as in you can take off too fast in normal driving.
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Old 05-01-2015, 05:15 AM
FLBimmer FLBimmer is online now
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Originally Posted by jgoens View Post
FLBimmer, what drivability issues did you experience with jb4? I have had a hard time finding anything unfavorable about it and am considering getting one. I have heard things like it is touchy as in you can take off too fast in normal driving.
It had dead spots, particularly when going from a light load to high load situation, i.e. cruising along at say 2k rpm then going WOT. It was like there was a disconnect between the pedal and the motor. Hit the gas, wait for it....wait for it....OK, now go.
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  #9  
Old 05-01-2015, 07:25 AM
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So would you say that lack of response was worse with jb4 compared to stock? I have ppk and if I floor it and did not drop it down a gear there is a delay until real acceleration happens. Guess the real question is, is in the opinion from someone who had one for awhile is the car much more fun with?
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Old 05-01-2015, 07:44 AM
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LarkHouston LarkHouston is offline
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JB4 is not CARB legal and can't be sold in California. Or presumably in any other state that has adopted CARB standards, including CT.
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  #11  
Old 05-01-2015, 08:48 AM
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It is not sold by burger but other vendors do sell it and say if it is set to map 0 for a couple days will pass smog no problem.
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  #12  
Old 05-01-2015, 07:25 PM
FLBimmer FLBimmer is online now
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Quote:
Originally Posted by jgoens View Post
So would you say that lack of response was worse with jb4 compared to stock? I have ppk and if I floor it and did not drop it down a gear there is a delay until real acceleration happens. Guess the real question is, is in the opinion from someone who had one for awhile is the car much more fun with?
Yes. I've never really had a problem with the stock throttle response but I do have a DCT and always drive with sport mode on and use the paddles. I have so much torque now that really don't even worry about dropping a gear or two.
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  #13  
Old 06-17-2015, 09:29 AM
tmsnyder tmsnyder is offline
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Does anyone ever sell their used COBB N55 tuner at a reasonable used price? I expected to see them for like half price or less but instead they are on ebay for almost the same price as a new one. I would think people would get the tuner, then sell it for a couple hundred bucks when they upgrade their car since it's an older version tuner now and won't work with the newer bmw's.

Sorry if this is a dumb question / observation, I have turned a wrench or two but never used a tuner.
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  #14  
Old 06-17-2015, 09:29 AM
tmsnyder tmsnyder is offline
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Does anyone ever sell their used COBB N55 tuner at a reasonable used price? I expected to see them for like half price or less but instead they are on ebay for almost the same price as a new one. I would think people would get the tuner, then sell it for a couple hundred bucks when they upgrade their car since it's an older version tuner now and won't work with the newer bmw's.

Sorry if this is a dumb question / observation, I have turned a wrench or two but never used a tuner.
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  #15  
Old 06-17-2015, 10:22 AM
mike@x-ph.com mike@x-ph.com is offline
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We offer the Cobb V3 at a discounted price, brand new.
Just use coupon code COBB on our website
www.extremepowerhouse.com
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USE COUPON CODE COBB AND GET AN INSTANT REBATE ON THE COBB V3
Free Shipping on the newest JB & JB4 boards(OBD) !! PM me for Active Autowerke Coupon Codes !! VRSF Products in stock and ship same day for free !! Sale on Evolution Racewerks Products, anodized finish in stock (No wait time) !! PM for Meisterschaft coupon codes
Combo Deals || Website || Facebook Page || Android App
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Old 06-17-2015, 10:46 AM
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Biggiefl Biggiefl is offline
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Used Cobb V2 in performance section. Heard there is not much of a dif between V2 & V3.

I have the JB4 on totally stock 08 and it is pretty sick. Have not had any delay issues but then again mine was made for the older models. Only problem I have is engaging traction control at 70mph
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  #17  
Old 06-17-2015, 10:48 AM
mike@x-ph.com mike@x-ph.com is offline
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Quote:
Originally Posted by Biggiefl View Post
Used Cobb V2 in performance section. Heard there is not much of a dif between V2 & V3.

I have the JB4 on totally stock 08 and it is pretty sick. Have not had any delay issues but then again mine was made for the older models. Only problem I have is engaging traction control at 70mph
Difference between cobb v2 and v3
faster processor
Ability to monitor more parameters
ability to monitor up to 6 parameters on the go
bigger screen, better resolution
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USE COUPON CODE COBB AND GET AN INSTANT REBATE ON THE COBB V3
Free Shipping on the newest JB & JB4 boards(OBD) !! PM me for Active Autowerke Coupon Codes !! VRSF Products in stock and ship same day for free !! Sale on Evolution Racewerks Products, anodized finish in stock (No wait time) !! PM for Meisterschaft coupon codes
Combo Deals || Website || Facebook Page || Android App
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  #18  
Old 06-17-2015, 11:25 AM
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James57 James57 is online now
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Quote:
Originally Posted by tmsnyder View Post
Does anyone ever sell their used COBB N55 tuner at a reasonable used price? I expected to see them for like half price or less but instead they are on ebay for almost the same price as a new one. I would think people would get the tuner, then sell it for a couple hundred bucks when they upgrade their car since it's an older version tuner now and won't work with the newer bmw's.

Sorry if this is a dumb question / observation, I have turned a wrench or two but never used a tuner.
While I'm not an expert on the economics of Cobb V3 resale pricing, I play one on TV. I would guess that because the Cobb is plug and play and remove (unless you are going to be monitoring data or changing maps), a used V3 is virtually as good as a brand new one. At least that's my theory, and I'm sticking with it.
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Old 06-18-2015, 06:22 AM
tmsnyder tmsnyder is offline
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That's pretty funny James57 LOL

I guess I'm just used to used items costing about 1/2 of the price of a new one because they aren't returned easily if there's a problem. The buyer is taking a bit of a risk. Plus it's used, not new! A scratch and a fingerprint here and there, etc. Imagine taking your 3 year old car back to the dealer and expecting to get 95% of the purchase price towards a new car.

And these are limited life electronics too, in 10 years they will be almost worthless as people switch over to the new bmw's and the tuners don't work on them.

It's just odd, I expected to see them on ebay for a few hundred bucks or so.
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Old 06-18-2015, 06:41 AM
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You can sometimes find them going cheaper here on Bimmerfest in the Classifieds - Performance subforum. Someone is selling one now there, although for $700.
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Past loves: 2008 335i coupe * 2003 330i sedan * 2001 Boxster S

Past friends: 1999 Accord V6 * 1993 Prelude * 1988 CRX * 1984 Subaru GL * 1976 Gran Torino * 1970 Corona Mark III

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Last edited by James57; 06-18-2015 at 06:43 AM.
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  #21  
Old 06-18-2015, 07:50 AM
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V2 for $480 I think in used parts here. I read when I bought mine in Feb that you can find used JB+ for $100-125 used as they are the epitome of gateway mods. Most are going for $190-210 on e-bay for a $275 shipped new unit. Bought my JB4 with intakes for $400 shipped from here last month. Not bad being I can probably get $75 for intakes if I decide to stay stock(probably).
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