Need help with an O2 sensor - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 04-22-2004, 11:50 AM
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I have a bad O2 sensor and will be changing it when it arrives. The error code states that the O2 sensor per cat in bank 2 is bad. This would be on of the two sensors on the exhaust manifold, My question is which is bank two? Is it the sensor closest to the front of the car or the firewall? Also what is the torque spec for an O2 sensor. The car is a 2000 328ci. Thanks for your help.
Ben

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#2 (permalink) Old 04-23-2004, 09:05 AM
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i believe ben that its the one towards the back of the car.

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#3 (permalink) Old 04-23-2004, 11:42 PM
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Furious is correct bank 2 is cyls 4-6 which are the 3 closest to the firewall. As far as torque is concerned just make sure its gudentite, but remember.......after tight comes loose again :-)
good luck

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