JB4+ Cobb?

BMist371 · 12-09-2013, 10:03 AM

I know JB4 used to do backend flashes via the Cobb AP, but is there any benefit to running a FBO with a cobb map and using the JB4 over top of it? Smoother ride maybe with a PTF tune? I have seen alot of people who say no that it just works if you use methanol as well. Then thats only when a backend flash helps. If there isnt much of a difference, would I be better off selling the JB4 for a PTF E Tune instead of the JB4. I like the features on the JB4, it just seems like I could get more consistant results with a flash instead of the piggyback.

Mike@N54Tuning.com · 12-09-2013, 10:15 AM

You can do a custom back end flash now without Cobb. Just use a BT cable to load the flash. BMS has suggested flash files on their site and then if you want to custom tune that BMS can do it for you or you can contact other tuners like Wedge Performance.

Mike

BMist371 · 12-09-2013, 10:53 AM

I hear wedge has amazing tunes, but they are REALLY aggressive and most likely too much for my car since she is my DD too. It gets flogged too much to have to rely on perfect plugs, injectors, and coil packs even more than a regular tune does. I wish it was my weekend car and id love to run a wedge flash as well. Can Terry and the guys at Burger tailor me up a flash tune too? Im pretty sure my 2012 falls under the old DME since its a much older build date being 04/2011. I still need to verify that though.

Mike@N54Tuning.com · 12-09-2013, 11:09 AM

Quote:

Originally Posted by BMist371

I hear wedge has amazing tunes, but they are REALLY aggressive and most likely too much for my car since she is my DD too. It gets flogged too much to have to rely on perfect plugs, injectors, and coil packs even more than a regular tune does. I wish it was my weekend car and id love to run a wedge flash as well. Can Terry and the guys at Burger tailor me up a flash tune too? Im pretty sure my 2012 falls under the old DME since its a much older build date being 04/2011. I still need to verify that though.

Oh, you are N55? No free flash for that. BMS is testing a Cobb back end flash file for it though. Details on their site.

Mike

BMist371 · 12-09-2013, 11:18 AM

Yes, n55. Ill look into it and send them an email for more info. Wouldnt mind playing test rabbit for some better numbers/performance.

12-09-2013, 10:03 AM	#1
BMist371 Second Lieutenant 4 Rep 219 Posts Drives: 2012 135i Vert Join Date: Sep 2013 Location: Lenoir, N.C. iTrader: (1)	JB4+ Cobb? I know JB4 used to do backend flashes via the Cobb AP, but is there any benefit to running a FBO with a cobb map and using the JB4 over top of it? Smoother ride maybe with a PTF tune? I have seen alot of people who say no that it just works if you use methanol as well. Then thats only when a backend flash helps. If there isnt much of a difference, would I be better off selling the JB4 for a PTF E Tune instead of the JB4. I like the features on the JB4, it just seems like I could get more consistant results with a flash instead of the piggyback.
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12-09-2013, 10:15 AM	#2
Mike@N54Tuning.com Joint Chiefs of Staff 4912 Rep 115,980 Posts Drives: 2007 335i, 2015 M3 Join Date: Dec 2008 Location: N54tuning.com iTrader: (89)	You can do a custom back end flash now without Cobb. Just use a BT cable to load the flash. BMS has suggested flash files on their site and then if you want to custom tune that BMS can do it for you or you can contact other tuners like Wedge Performance. Mike
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12-09-2013, 10:53 AM	#3
BMist371 Second Lieutenant 4 Rep 219 Posts Drives: 2012 135i Vert Join Date: Sep 2013 Location: Lenoir, N.C. iTrader: (1)	I hear wedge has amazing tunes, but they are REALLY aggressive and most likely too much for my car since she is my DD too. It gets flogged too much to have to rely on perfect plugs, injectors, and coil packs even more than a regular tune does. I wish it was my weekend car and id love to run a wedge flash as well. Can Terry and the guys at Burger tailor me up a flash tune too? Im pretty sure my 2012 falls under the old DME since its a much older build date being 04/2011. I still need to verify that though.
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12-09-2013, 11:18 AM	#5
BMist371 Second Lieutenant 4 Rep 219 Posts Drives: 2012 135i Vert Join Date: Sep 2013 Location: Lenoir, N.C. iTrader: (1)	Yes, n55. Ill look into it and send them an email for more info. Wouldnt mind playing test rabbit for some better numbers/performance.
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