BMW Questions? Ask a BMW Repair Expert for Answers.
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it is unfortunately very difficult to diagnose this sophisticated engine with only a generic p code reader. I would suspect that you have an injector issue or high pressure fuel pump issue, but would strongly advise that proper diagnostics be run using a factory BMW scan tool or equivalent.
if you need a good shop for a code scan check out www.bimmershops.com or www.bimrs.org for options
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