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      07-24-2023, 10:45 AM   #19
Vinnief96
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Drives: 2007 bmw 328xi 2015 335xi m sp
Join Date: May 2019
Location: Delaware

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Quote:
Originally Posted by thejeremyman9 View Post
Almost every single DP besides fabspeed, AA, and CG precision will eventually throw a CEL. ER is hit or miss, but even if it doesnt throw a CEL, it will generally not get the catalyst monitor ready. If you need the catalyst monitor to be ready for emissions, only get one of the first 3. In either case i would recommend one of those three so you can do it once and do it right.
Passed inspection for 3 years with catalyst monitor “ready”, never had a cel or any issues
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