Thread: AR 4" Down Pipe
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      11-21-2012, 01:44 PM   #5
M3 Driver
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Drives: 2015 ///M3 Black/Black
Join Date: Oct 2011
Location: Dallas, TX

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2015 BMW M3  [0.00]
Yes the JB4 has the CEL clear for the O2 sensor, but it keeps it in Not Ready state. In Texas I can't have more than 1 sensor in a Not Ready/Failed state. I had to disable the JB4 for my inspection last month because I guess there are 3 sensor readings for O2 alone, which automatically is a fail.
2015 M3 // Black Sapphire Metallic / Black Extended Merino Leather / Carbon Fiber Trim / Executive Package / M Double-Clutch Transmission w/ Drivelogic / 19" Black Light-Alloy Wheels / Adaptive M Suspension / Harman Kardon surround sound
Other // Shell Rotella T6 5w40