02-17-2016, 07:25 PM | #1 |
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Hesitation with stage 1 jb4
Have a 2015 comp m5 with jb4 stage 1...I'm getting a hesitation when I give it gas around 2.5-3k. It feels like the car is pulling and it hesitates briefly and goes. Its likes something is cutting. Traction control is not coming on and it can be reproduced in any of the gears. Any ideas?
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02-17-2016, 08:04 PM | #2 | |
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02-17-2016, 08:05 PM | #3 |
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With traction completely off can you replicate?
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02-17-2016, 08:21 PM | #5 |
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02-17-2016, 08:46 PM | #6 | |
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Definitely try without traction just to see what happens. You may also check on N54Tech and ensure your BMS box is updated with the latest firmware. Feel free to post on N54Tech and ask Terry @ BMS the same questions. He is very active on those forums.
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*** SOLD *** 2013 BMW M5 | Space Grey | MSR Stage 3 Tune | Catless Downpipes | MSR Intake and Charge Pipes | MSR Exhaust (Prototype) | Vorsteiner Rear Diffuser | RW Carbon Front Lip | RW Carbon Trunk Spoiler| Vorsteiner VS-310 Forged Wheels | Escort 9500CI w/Laser Jammers
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02-19-2016, 07:39 AM | #7 | |
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Sometime it goes sometime it doesnt. But hopefully its not a flaw. |
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02-19-2016, 10:38 AM | #9 |
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I had the same problem the few times I used the JB at the track. Mine was the first version though set at 3.0 and 3.5.
It would jump off the line then a brief hesitation and then take off.
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2014 ///M5 CP Tanzanite Blue/Cohiba - 11.15 @ 128.8 & 1.84 60' (2150' DA) - BPM Tune - MSR Intake - SSP DCT - SS DPs & HFC Mid Pipes/X-Over - E Race Muffs - 19" MT DRs... On to a new home.
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