Exclusing everybody < 60000 miles, 77% didn't have any issue.
23% failure is HIGH and obvious recommendation would be a preventive change if you intend to keep the car.
Except vbefore doing so, we would definitely need separate the following.
2006
2007+ N52
N54
Again, I don't think that the 2nd category would necessarily need this, but 1st and 3rd - yes.
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