Quote:
Originally Posted by cntzl
It's not an approximation. When you unlock your DME they can and do take a backup of your oem tune so that you can flash back to stock. They basically took a backup of a M3/M4 CS at some point and now offee it for public consumption with some mandatory modifications such as oil level measurements etc. In other words, BM3 and BPM are the only tuners that I know to provide oem CS map.
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If this is the case, that's great. However, I'm having trouble reconciling this statement to the fact that BM3 released a "CS" tune, and then later renamed it "CS+" and replaced their original version with another "CS" tune that was supposed to match the actual BMW tune. Perhaps I'm misunderstanding all of this, but it seems very wishy-washy . I can't help but think they just release a mild tune that nets approximately 40hp and call it a CS. I hope that's not the case, but unless BM3 and BPM say exactly how they create the tunes, it's hard to be sure. Apologies if this has already been confirmed.