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      11-10-2012, 08:38 PM   #6
BMW86
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Drives: 135i CLA45 AMG Ninja
Join Date: Jul 2008
Location: Australia

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I'm having the exact same issue for months now. Same codes. Would like to know what the issue is as well. What is your full exhaust setup? Also do you use a dp fix?

I've replaced front o2 sensors as well. Also reset lambda and AFR with no luck. Codes come back straight away.
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BMW 135i N54
MERCEDES CLA45 AMG
PAST: NINJA 300 ABS, BMW E46