BMW Techs, Done Walnut Blasting on B58s Yet?


New Member
May 11, 2020
This is a question for the BMW techs on this board, have you guys had to do any walnut blasts for carbon deposits on any B58 engines yet? If so, what mileage were they at and how bad were the deposits?

I'm at 38k, had this thing since new and treat it well, so hopefully it won't be needed for awhile yet, but I'm just curious if I should prepare myself for one in the future.

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