George Smooth
///Member
Nish_H said:At what mileage is this generally recommended?
Thanks
On N54's you can do it as soon as 30000km and on the N55 I recommend from 75000km and up.
BoostedGP said:What all is done for the clean? Also what is removed stripped to do it.
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The clean is conducted with a BMW walnut blasting tool. The intake manifold needs to be removed for the clean to be conducted. Valves and intake ports are cleaned.