Quote:
Originally Posted by Dracon
This is a tune just like others, however, it's designed to be paired with something like a JB4 as the JB4 can't access all of the engine parameters. It's where BMS eventually wants to get to once initial flashing over OBDII can be done (so you don't have to ship your DMEs out).
In the N54/N55 community, having a JB4 + Backend Flash gives them maximum control over the parameters and allows them to fine tune everything along with having all the capabilities of the JB4.
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Spot on.
At this time, the DMEs must be bench flashed once in order to remain unlocked.
We always prefer the flash route, but this provides an elevated platform to piggybacks to work from, as well as the other options that were not available previously. BMW can detect piggyback use even if its removed before service. This usually doesn't become an issue unless a failed part is being claimed under warranty and PUMA case is opened.
Some prefer piggyback tuning, some prefer full flash. Choice is up to the end user.
Quote:
Originally Posted by AstonMartian777
what's the point of rpm limiter removal ?
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RPM limit is raised, not removed.