P120D and P0171 together OBD codes??
Any thoughts?
2013 F10 M5
Mods
CatlDPs
Stage1 BM3 flash
Fresh plugs less than 5000miles from burger gapped right.
Symptoms driving: idle is rough, cant find a smooth 800 rpms
Boost leak? Intercooler pipes cracking? Inlet pipe?
About to do a smoke test etc.
Thoughts
Plastic pipes?
Injector failing on bank2?
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Exotic Cars & Coffee Louisville KY, 2011 M3 DCT 43K E93, 2014 X3 3.5i xdrive MHD Ceramic DP VRSF, Sold E93 335i, Sold, E90 335i, Sold M roadster, Sold 330i msport, Sold E60 08 V10 M5, Sold E90 335i, F10 BMW M5
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