Thread: Does the mhd back end flash stop the car monitor from showing
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dmckmc dmckmc is offline
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Posts: 199
Join Date: Oct 2017
Car: E60 535i
Default 08-25-2020, 03:20 AM
When flashing with MHD, 'OEM/catted D Ps' must be checked for catalyst readiness to set. I believe flashing MHD back to stock would work as well.

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