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      06-14-2019, 03:12 PM   #21
silverfoxS65
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Drives: 2008 E90 M3
Join Date: Mar 2018
Location: Charlotte, NC

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2014 BMW M5  [10.00]
interesting info on how different your car ran after replacing first set of o2 sensors

i bet you will get your power back

what is your spark plug setup?

i just had my sensors out after running your same mod list for about 5k miles and they are BLACK.
i bet the burble and extra fuel wears them out quicker

cant wait to see your new HP #'s
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