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Old 10-05-2012, 06:30 PM
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crewdog843 crewdog843 is offline
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Location: Las Vegas, NV
 
Join Date: Mar 2006
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Mein Auto: '08 Z4 3.0si Roadie
There is a BMW mantra which goes somewhat like this: The CEL/SES light is always emissions related, which basically means MAF, cam position sensor, or O2 sensors. Codes should tell you which one. Based on the fact that it was intermittent, and then full on, I would put money on the Cam Position Sensor.
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