Thread: Need An N52 Tuner!
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      12-20-2018, 03:50 PM   #3
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Drives: M235i 6MT / E92 328 Msport 6MT
Join Date: Nov 2013
Location: Florida

iTrader: (6)
I ran E85 and had O2 feedback codes and eventually it killed my O2 sensors and fuel pump. Could be what's happening to you.
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