Quote:
Originally Posted by mike@x-ph.com
Actually the Jb4 can access timing ... It does so by tricking the ECU correct but the end result is altered timing
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Since when? It's common knowledge it doesn't, and never has. Unless things have changed with the F series.
Quote:
Originally Posted by Mike@N54Tuning.com
The JB3/JB4 has always used the DME adaptive system to set advance which generally works quite well. It's been used on 7500+ cars over the past four years for tens or hundreds of millions of combined customer driven miles. In some cases if your fuel is particularly bad or if you are trying to tune a large turbo or nitrous car it is beneficial to also use CPS offsetting to cap the maximum advance set points. For that you would get the fully user adjustable JB4 CPS module for $85. It also includes a speed limit defeat.
Mike
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That's why they sold the CPS. It's always relied on the stock DME's aggressive curves.
There are many, many threads on the subject.
I mean, did you research this before making this statement? Have a link?
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs)
'14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat)
'08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)