A tech at Dinan told me that BMW knows if you have over boosted with or without error codes. I was planning on using the BT reader to clear it out, but this worries me a bit.
I also know that DINAN was try to market me, but I told them I'm not ready for them to take over my warranty on a 2.2k mile new car.
I think any experienced tech can check out the engine and know if you have overboosted or not, but I guess they can't really prove it without evidence.
Maybe that's what they meant.
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