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Old 11-14-2012, 02:25 PM
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QSilver7 QSilver7 is offline
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Location: Northeast Indiana
 
Join Date: Aug 2008
Posts: 6,162
Mein Auto: 1997 740iL / 2006 X5 4.4
Eventually yes. It takes several reading of the sensors registering a fault before the light illuminates. If you have a code reader...may see that a fault has occured, but the light hasn't come on yet. Again, this is because the sensor hasn't registered the correct number of faults yet:

(see the 2nd paragraph in the 3rd bullet)


Not all countries have the same OBD II mandates...nor did they occur at the same time for all countries that do:

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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
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99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

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