Quote:
Originally Posted by m0butt
Going to be taking my '19 M2C which is Stage 1 tuned with BM3 in for it's first oil change after break in service. Do I have to re-flash it to stock? Will they update it or even care that it's tuned?
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My buddy took his BM3 stage 1 for the annual bmw oil change two weeks ago. He didn’t flash back to stock. I would not think it’s necessary to change back to stock unless you have a warranty claim.
He made it clear to the SA not to perform any DME updates. Everything was good during vehicle pickup.