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      01-29-2013, 01:04 PM   #106
GTM_Challenge
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Drives: E46 M3, E90 M3
Join Date: Jan 2010
Location: Nashville

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Quote:
Originally Posted by RollingLower420 View Post
I like my challenge HFC cat, but I keep getting my CEL light coming on..
Give me a call on it. See what we can do to help solve the problem. It's possible BMW updated the ECU programing, install issue, or even seen O2 sensors get dinged durring install and go bad.. Thanks!
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