SCR System Efficiency Code
My X5D throw a code 4D16 SCR system efficiency.
I erased it a few days and about 100 miles gone by but it is back.
What could be the issue here?
It has about 112K miles and it's an 2010.
TIA.
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10 X5 35D
02 530 SC
07 X3 3.0IS 6MT
01 330XI
97 528
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