Bimmerfest - BMW Forums - View Single Post - valve to the CO2 sensor
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Old 11-15-2012, 06:50 PM
timarnold timarnold is offline
Location: Maryland
Join Date: Sep 2009
Posts: 978
Mein Auto: 2003 bmw 525i, 2005 X3
Actually, no it doesn't make sense. Could he have said CVV valve? (Crankcase Ventilation Valve). While that is not connected to the O2 sensors, it could among many other things activate the Service Engine light.
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