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      05-19-2020, 07:12 AM   #3
GotV8?
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Drives: Jerez E92 M3 ZCP "12"
Join Date: Mar 2017
Location: OHIO

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I recommend, if you do a quick search to add a 90 degree extension for the new O2 sensors, I had mine installed when I swap to new ones and it prolong the life of the sensors over 55k miles and no issues where the originals went bad after 35k miles with the Test Pipe and tune done @ 5k miles and in 30k of driving went bad.
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