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Stage 2 tuning problem

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Old Dec 24, 2019 | 03:05 PM
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C63s
Stage 2 tuning problem
Did anyone found an issue with stage 2 tuning of c63s ? (Less than whp of stock number)
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Old Dec 24, 2019 | 04:06 PM
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18 E63S
From what company is the tuning from ?
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Old Dec 24, 2019 | 06:38 PM
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2018 C63 Sedan
Not generally no. For flashed cars it's often useful to have a JB4 on hand for datalogging, fine tuning, boost by gear on the fly, etc. If you had logs we could tell you if they look normal or off.
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Old Dec 25, 2019 | 03:55 AM
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C63s
Had a custom tuning, found that whp is less than stock!!
could the JB4 fix the problem ?
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Old Jan 2, 2020 | 01:34 AM
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C63s(lost)/E250/GTR(Sold)/GTS(Carbonerre)
Originally Posted by DrAMG8
Had a custom tuning, found that whp is less than stock!!
could the JB4 fix the problem ?
now really ,you have to find out what is the cause it make less power than stock.better way, flash back to stock. then test. if still has less power you need to find why. other wise Even JB 4000 will not help,and going to put you in more risks.
And BTW what is your stage2 WHP now?
Last edited by srO_Michael_Orz; Jan 2, 2020 at 01:37 AM.
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Old Jan 2, 2020 | 12:20 PM
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19 E63s, 23 M3 compX, B9 SQ5
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