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Old 03-15-2013, 01:48 PM   #5
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Join Date: Aug 2010
Location: Bay Area
Posts: 4,368
My Ride: X5, CT200h, CLK63 BS
Originally Posted by andynb View Post
Fixed. Turned out to be a bad wideband sensor

Sent from my DROID RAZR using Bimmer App
Do you run a lot of race fuel (110L)? Wonder if it just coated the sensor is all.
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