location of dp O2 sensor

ho_grayson · 06-05-2010, 01:48 PM

hi

i asked a shop to remove ar dp with o2 sensor but they said they put back o2 sensor where stock dp located. because i dont have stock o2 sensor. i thought o2 sensor is located in ecu box not underneath the car! i'm confused. where's ecu box located?

Jonny550 · 06-05-2010, 02:06 PM

the 02 sensor's are on the downpipes you screw them off the stock and screw them on the aftermarket and vis versa . The ECU box is located on the passenger side of the engine right underneath the cowl.

06-05-2010, 01:48 PM	#1
ho_grayson Private First Class 20 Rep 176 Posts Drives: 2008 335i sedan Join Date: May 2008 Location: south surry, B.C. iTrader: (0)	location of dp O2 sensor hi i asked a shop to remove ar dp with o2 sensor but they said they put back o2 sensor where stock dp located. because i dont have stock o2 sensor. i thought o2 sensor is located in ecu box not underneath the car! i'm confused. where's ecu box located?
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06-05-2010, 02:06 PM	#2
Jonny550 Brigadier General 241 Rep 4,936 Posts Drives: 2012 550i Xdrive Join Date: Feb 2009 Location: Jersey Shore iTrader: (14)	the 02 sensor's are on the downpipes you screw them off the stock and screw them on the aftermarket and vis versa . The ECU box is located on the passenger side of the engine right underneath the cowl. __________________ [SIGPIC][/SIGPIC] .
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