damn, i really want to get walnut cleaning but the dealer has no clue what i mean by it, they only do chemical. Anyone in Arizona here knows where i can get the walnut shell valve cleaning?
Quote:
Originally Posted by JamesM3M5
BMW considers all the other fluids to be "lifetime", but BMW's interpretation of the word is different from most.
I did a coolant flush, switched to about 20% coolant, 5% Mocool, and 75% distilled. I would also flush all the other fluids - transmission, diff, and brake fluid, but BMW dealers typically do not/will not do that. The Condition Based Service times brake fluid flushes at 2 years, IIRC. Many 335s have CBS count down for cabin filter, spark plugs, and other items, while many others (newer ones, I believe) do not.
If your valves have never been cleaned, they're definitely due at 50k for a walnut blasting. The chemical cleaners will probably not even scratch the surface. Mine were massively caked at 47k miles. You may have to pay out of pocket for that or DIY.
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