Thread: DIY: Replacing Pre-Cat Oxygen Sensors on an N54
View Single Post
      08-29-2016, 10:58 PM   #3
muddtt
Second Lieutenant
United_States
108
Rep
213
Posts

Drives: BMW 135i (E88)
Join Date: Jun 2014
Location: san, jose, ca, USA

iTrader: (0)
Nice writeup. What circumstances occurred for you to have to swap the 02 sensor in the first place?
Appreciate 0
Quote