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Thread: LEAN Bank 1
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Old 10-05-2012, 10:38 PM   #7
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Join Date: Oct 2012
Location: New Zealand
Posts: 31
My Ride: 2000 E46
Originally Posted by jfoj View Post
If it is a 4 cylinder engine, then it is most likely Cyl #1 & #2, however, you need to find out how many O2 sensors are on the engine. Likely 2 O2 sensors, not sure you would have the post-cat O2 sensors like we have here in North America?

You can probably check www.realoem.com if you are unsure, it should show you how many O2 sensors the engine has.
So if it has 2 o2 sensors does that mean it has 2 banks?
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