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BMW 3-Series (E90 E92) Forum
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Jb3 Map Switching
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01-04-2010, 06:43 PM | #2 |
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01-04-2010, 06:44 PM | #3 |
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put the key into the port turn the ignition on !!but dont start the car,hold down the gas pedal for 4-5 seconds and then let off after that click the pedal
once for map 1 twice for map 2 3 times for map 3 etc.
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01-04-2010, 06:47 PM | #4 |
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you really should not need to switch them that often since it takes some time to adapt. If you were to go from 3 to 5 it would take several WOT runs or a day of driving to fully adapt anyway in most cases. If you have 93 just set to map 5 and forget it unless you have supporting mods for map 6 or 7 and the BT tool.
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01-05-2010, 02:14 AM | #5 |
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So do I hear somekinda sound when map is switched or just guess?
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01-05-2010, 02:21 AM | #6 |
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01-05-2010, 07:36 AM | #7 |
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No sound, but its pretty straight forward and intuitive once you do it. Its hard to mess up.... but if you think you made a mistake you can just start over by holding the gas pedal down for 4 seconds to re-engage the map switching mode. The JB3 saves the last map you set so you don't have to set the map each time, only when you want to change it.
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01-05-2010, 08:00 AM | #8 |
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So when I first time start my car w/ JB3 it will be on map 0 right? Maybe I just tell Mike to set it already on map 3 when I buy JB3 from him
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01-05-2010, 08:08 AM | #9 | |
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That's the first place I would look....you know..the people that actually make the JB3 IIRC, it comes out of the box on Map 3.
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01-05-2010, 09:22 AM | #10 |
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01-11-2010, 12:04 PM | #11 |
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I feel kind of newb asking this, but do I need to physically step out of my car, lock/unlock before I repeat mapswap process? Or can I just swap map without getting out of the driver seat? Also, does closing the door interupt the process?
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01-11-2010, 04:17 PM | #12 |
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I was thinking about getting my car dyno'd with Map 5. I currently have Map 5 selected and figured I would do the first dyno pulls with Map 5, then drop it down to Map 0 to do a baseline. Does this sound feasible? If I drop it down to Map 0 does it take any time to adapt?
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03-08-2010, 12:02 PM | #15 |
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Not directly (other than looking at the logs and knowing what is not stock, etc.). More importantly, if you have a BT, you obviously have a laptop, so you could just plug the laptop into the JB3 instead of the BT tool, and see the map that way.
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03-08-2010, 12:13 PM | #17 | |
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03-08-2010, 05:00 PM | #18 | |
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03-10-2010, 06:54 PM | #19 |
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Should I get the JB3?
Mike, I've had my 335i for two years now and the warranty will expire soon. I want to get the JB3 but i'm affraid this mod will destroy other componets of my car (Turbos, Engine, Transmission, etc...)
I guess my question is: Is the car capable of handeling this power boost without any other mods and most important, without braking any other components? Thanks. |
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03-10-2010, 10:50 PM | #20 | |
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