Walnut cleaning treatment?
#1
Walnut cleaning treatment?
The Mini Cooper S forums are all talking about the need for a walnut treatment to clean the valves. They talk about huge performance increases after the cleaning. some of the cars barely run or idle before the process. Initially, I thought this was an isolated rumor, but many.many owners have documented their problems. It's only an issue with the direct-injection engines. Has anyone heard of this issue with the Porsche direct-injection engines?
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socalbreeze
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09-11-2015 12:37 AM