Quote:
Originally Posted by XLife14
Spoke with DINAN as it is directly related to their tuner- Have to return for replacement. Surprised no else using this tuner has ever never encountered a CEL??? I cannot be the only one!
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I've used the Sport tuner on my car for over 2 years on my 2014 535i without issue. I just took it off last month and went with Bootmod3. I helped the person I sold the tuner to (2015 528i) install his and verified he didn't get a CEL either. Perhaps you just had a faulty unit?