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      02-14-2019, 11:28 PM   #18
Drew-dale13
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Drives: 2008 335xi
Join Date: Apr 2017
Location: North Carolina

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N54 here but sounds like similar situation. I spoke with MHD and they said running stage 2 with stock cats is okay if you don’t drive it too hard. Sounds iffy to me but sounds fine for driving around town
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