Prevention of carbon build up
Since I’m intending to keep the car long term, wondering what people’s approaches have been with direct injected cars like ours. Seems like the solutions are oil catch cans (although seems like the b46/48 may have some integrated unit in place) or having them cleaned out at 50-60k miles. No idea what that costs but sounds pricey. Anyone out there with more technical knowledge than me know?
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