Quote:
Originally Posted by cmargosi
My dealer mentioned they have been having problems with CELs on the Dinan tunes they have installed on the G30 550. Anyone out there actually have the S1 tune, exhaust and springs?
Can you comment on CEL?
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I have the S1 tune installed on my 2018 M550iX. Zero issues and no CEL's. Was installed by my dealer about 4 weeks ago.