Quote:
Originally Posted by ETexas335
My half power engine light comes on if i give it anything past about half throttle. It's way down on power, but starts right up and runs smoothly. The light resets every time i shut it off and restart it. I hook up my code reader every time and it shows no codes! Wtf is going on?
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Universal code readers wont find these codes sometimes. You need a reader designed for BMW's. Que Bavarian Technic Tool.
It also takes 3 instances before a code to show up sometimes. However, it may be stored in shadow codes, again, only read by BMW readers.
Depending on your tune you may be able to see the code as well.