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Old 09-18-2011, 11:47 AM   #19
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Join Date: Mar 2006
Location: Columbia, Maryland
Posts: 1,873
My Ride: 2000 BMW 3XXi ZSP
When I do a simple search concerning these two codes I get the following: P1188 - Oxygen Sensor Heater High Resistance Upstream
P1189 - Oxygen Sensor Heater Type 1 Low Resistance Upstream. Which indicate a possibility of O2 sensors needing replacement.
V/R Zachary Pullins Sr.
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2006 E90 325Xi & 2000 E46 3XXi
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