08-18-2023, 10:54 AM | #1 |
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BM3 or JB4?
Always used JB4 in the past, n54 335i, Mini JCW, M135i. Going to start tuning the M2. Benefits of the BM3 over the JB4?
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08-19-2023, 10:44 AM | #2 |
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Both are excellent options; bm3 is a flash tune with control over the entire DME tables. The jb4 is a piggyback which tricks the system to make more boost.
If both are an option, most customers pick bootmod3.
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08-19-2023, 11:38 AM | #3 |
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Thanks Mike, opted for the BM3
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08-19-2023, 11:57 AM | #4 |
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08-22-2023, 05:53 AM | #5 |
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Glad you did. In general I always got a smoother more put together feeling with a full flash like BM3 than with JB4.
As Mike mentioned, JB4 is tricking the car into making more power vs remapping as a whole. Enjoy!
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08-23-2023, 11:38 AM | #6 |
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Also, worth noting, Jay, before sometimes felt faster to me, but it’s because it was a smooth not because it was actually faster. Just some food for thought.
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