Those codes in combo normally lead to a vacuum leak somewhere. Thinks to check are:
MAF
Vacuum hoses
Air intake tube
Gaskets (Manifold)
Valve cover. (Normally a leak can form in the rear corner)
Start there since those are the easiest to trace. Someone will also offer some more helpful hints.
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2011 E70 50i M Sport
Exterior: Alpine Weiss III Interior: Nevada
PACKAGES: .
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