I just had my 2012 X5 50 in. Took them 10 days to replace 3 injectors, dump all fuel due to to high of ethanol content (15%), and then replace all spark plugs when it still threw codes. This was at 39k miles and the kicker is all injectors we're replaced at 31k miles.
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2011 M3 E93 DCT
2012 X5 50
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