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  1. #1
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    COBB TUNING AccessPORT Stage 1 335xi vs. 335i JB3 roll ons

    Here we have a direct comparison between a 335 with the Cobb Tuning Accessport Stage 1 vs. a 335 with a JB3 2.0, Stett CAI, and Stett charge pipe. The JB3 car pulls but it is important to note it is RWD vs. an AWD car so not exactly apples to apples. Also, we assume this was pump fuel. Still, great to see a comparison like this.


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    Good comparison for sure. Its also interesting to note from looking at the video, the Jb3 car has a passenger in it, and the COBB car does not.

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    Click here to enlarge Originally Posted by 5soko Click here to enlarge
    Good comparison for sure. Its also interesting to note from looking at the video, the Jb3 car has a passenger in it, and the COBB car does not.
    Forgot about that, good point.

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    also.. the JB car was running around 14 psi (map5).

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    Cant see video, says private.

    I read the cobb is MT and Xi, the JB3 is AT.

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    Bah, can't see $#@! Click here to enlarge

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    "This is a private video. If you have been sent this video, please make sure you accept the sender's friend request."

    Can't see it as well.

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    This is what the owner of the video said:

    "Sorry fellas, someone asked me to pull it down. We'll do some more runs soon and post 'em up!"

    Wierd.

    For anyone didnt see it break down was this:


    E92 335i AT ( Driver and Passenger)
    JB3 2.0 Map5
    stett chargepipe with BOV or DV i forgot... (no power adder here)
    stett intake

    vs


    E92 335xi MT (only driver)
    COBB stage 1
    BMS DCI


    Both on 93 octane
    45 roll and 25 roll, JB3 car won both races.

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    From what I've read, the Cobb is going to hurt piggies - before or after they figure out meth control. From their other offerings, this seems like a solid tune. Better than giac for numerous resons. Right now, the beta Proceed maps have a lot to measure up to.

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    Really need two AT cars for a comparo. Who knows what skill level the MT driver is, whether the MT is the cobb or JB3 car. It also would help if one wasn't an xi.

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    cant watchit. private video?

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    no videoClick here to enlargeClick here to enlargeClick here to enlarge
    [SIGPIC][/SIGPIC]

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    Oh boo, they made it private. Sorry folks Click here to enlarge

    Wish I would have thought to mirror it but I mean 1 in 100 get pulled and it usually is a pretty good reason. Wonder if Cobb requested it to be removed?

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    Click here to enlarge Originally Posted by 5soko Click here to enlarge
    "Sorry fellas, someone asked me to pull it down. We'll do some more runs soon and post 'em up!"
    Ugh...

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    From the COBB owner from this race video:

    "let me summarize- 6AT jb3 map 5 stett CAI v. XI 6 MT cobb stg1 BMS DCI- the jb3 beat the cobb car by a couple of lengths in 2 runs. Part of the loss was the shift, but the cobb was a bit slower."

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    2 out of 2 members liked this post. Reputation: Yes | No
    Need to see two cars of the same type, transmission type and mods for equal comparo....

    If they're running they same boost at the lower levels 12-14psi, with all else equal, they should be equal.

    When doing some runs against and identically modded car to mine (one had procede v5 one had jb4), they were dead even from 40-120....

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    Click here to enlarge Originally Posted by scott135i Click here to enlarge
    Need to see two cars of the same type, transmission type and mods for equal comparo....

    If they're running they same boost at the lower levels 12-14psi, with all else equal, they should be equal.

    When doing some runs against and identically modded car to mine (one had procede v5 one had jb4), they were dead even from 40-120....
    At the same boost they likely will be equal and even though it is not an apples to apples comparison it is still nice to see.

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    Click here to enlarge Originally Posted by alpinedevil335 Click here to enlarge
    also.. the JB car was running around 14 psi (map5).
    14 midrange then tapers to 10-11 at redline... cobb is at 15 correct
    JB4LIFE

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    lords that can be tested on JB4 Map2, some volunteer??

    cobb now to hit the market very recently and so well JB4
    [SIGPIC][/SIGPIC]

  21. #21
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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    14 midrange then tapers to 10-11 at redline... cobb is at 15 correct
    sounds about right....
    Click here to enlarge Originally Posted by Terry @ BMS Click here to enlarge
    Normally around 14psi to 10-11psi at the shift. It's not an absolute target though like with the JB4 so can move around depending on weather, baro, heat soak, etc.
    Last edited by alpinedevil335; 01-22-2011 at 06:20 PM.

  22. #22
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    Click here to enlarge Originally Posted by alpinedevil335 Click here to enlarge
    sounds about right....
    Man I'm good Click here to enlarge
    JB4LIFE

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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    At the same boost they likely will be equal and even though it is not an apples to apples comparison it is still nice to see.
    The xi in the video is a former JB3 owner. He dyno'd his car on the same day with both tunes and had better numbers with the Cobb/DCI/93 combo than with the JB3 on map 5. Btw, both cars in the video are using 93 octane pump gas.

  24. #24
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    Click here to enlarge Originally Posted by acj75 Click here to enlarge
    The xi in the video is a former JB3 owner. He dyno'd his car on the same day with both tunes and had better numbers with the Cobb/DCI/93 combo than with the JB3 on map 5. Btw, both cars in the video are using 93 octane pump gas.
    Does he have the dyno comparison? Would be interesting to see.

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    2 out of 2 members liked this post. Reputation: Yes | No
    Hmmmm?

    Is it just me or does the reflection of the camera car in the 2nd race look like that of a Gray/Silver e92? But the intro to the video shows what looks like a montego blue bmw. Are there 3 different cars in this video?
    Click here to enlarge

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