Quote:
Originally Posted by nwynne
So at this point I am trying to link all these threads in my head-
Is it safe to say that JB4 is the best tune that doesn't re program the BMW ECU because it has access to the CANBUS, and BM3 is the best tune because it actually re programs the factory unit completely instead of manipulating the signals and therefore incoming variables/values to factory code?
Which of these strategies is better in the long term? Which is riskier?
Still trying to figure out what CANBUS does in the context of an N55 eginine and tuning applications.
Thanks
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I have had 2 JB4's (e90 and f30) and now use only MHD. I chose MHD over BM3 mainly because I can use it via my android device as opposed to a laptop. There is no doubt that the flash tunes provide a more natural power boost and I would deem as superior at this point. Go with a flash is my advice.