Quote:
Originally Posted by DaleHeinz
Same here. I had multiple boost and temp sensor CEL's. Dinan replaced the tuner ecu first, still had CEL's. Then they replaced the harness. Fixed the issue. I've got about 10k miles on the new equipment with zero issues. Runs great.
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Quote:
Originally Posted by nikman011
Same here, first they replaced the tuner, still threw codes, now last week they replaced the entire unit, will see if we are good to go over the next couple of months
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Curious, did you guys note performance issues with those CELs?
Still hunting down the cause(s) in my car. BMW Tech insists the Dinan isn't the problem--he thinks it's fuel related. Most recently, the car threw P12A9, P12A4, and P0440. It also died while driving after throwing drive train and chassis faults. Instead of pulling the harness, they replaced the boost and charge air temperature sensor. They also programmed the ECU w/what they said were updates from BMW. Per their instruction, the original Dinan is still installed--not in Bypass.