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07-13-2015, 06:06 PM | #1 |
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N20 JB4
For those who already have the stage 2 jb4 installed in their N20 engines... Could you explain to me what each map does? I just purchased mine and would like to know which maps I should use with no risks! Thanks!
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07-14-2015, 11:06 AM | #2 |
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Map 0: JB4 disabled.
Map 1: Peak boost 20psi, suitable for most racing applications Map 2: Peak boost 21psi, suggested for those using exhaust modifications and 93 RM2 octane or higher fuels Map 3: Progressive Methanol Injection. Requires BMS methanol kit or BMS FSB for meth pump control. Map 4: Stock performance, JB4 on Map 5: 320i/520i map. Peak boost 17psi. Map 6: User definable map. Suggested for troubleshooting by professionals only. Map 7: Race gas map. Peak boost 23psi. This is a fairly aggressive map and increases engine damage risk. Use with caution.
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07-15-2015, 02:09 PM | #4 | |
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07-15-2015, 03:20 PM | #5 |
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Literally a crack in the cylinder heads lol. It cracks because it's more pressure and temperature than the heads can handle.
https://www.google.com/search?q=cyli...IVwZOACh1v0gB3 |
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07-15-2015, 03:23 PM | #6 | |
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07-15-2015, 03:28 PM | #8 | |
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07-15-2015, 04:56 PM | #9 |
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07-17-2015, 01:19 PM | #10 |
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i always recommend using the recommended maps no matter which engine you have
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