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#1
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O2 sensor conventions?
The other pair is yellow and red wires. Assumed these go under the car at the pipe connection. Right? Wrong? Any way to determine which is which or is it a cable length logic? Sent from my iPad using Tapatalk |
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#2
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If they are original sensors, each would have a part number that would identify its location. Without being in front of my O2 sensors I wouldn’t know the coloring. There is a reason a standardized location sequence is used in reference to O2 sensor locations. Are you saying the one you have marked is the bank #1, #2 sensor?
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Current vehicles 2001 325XI 2006 X5 3.0 2004 X5 3.0 |
#3
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O2 sensor conventions?
I’m not sure, I marked it simply Rear/Top which in my terms is cylinders 4-6 cylinder head exhaust location. Other would be front /Top being cyl 1-3 head xhaust.
Down below would have been front/bottom, rear bottom. I know technically incorrect but had they not come off would have worked. Sent from my iPad using Tapatalk |
#4
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The top sensors are shorter than the bottom ones. 320mm vs 990mm according to RealOEM.
These are the top ones: These are the bottom ones:
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#5
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Quote:
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Current vehicles 2001 325XI 2006 X5 3.0 2004 X5 3.0 |
#6
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Thanks. I’m on the right track then just need to be sure I’m in the correct banks. I’m likely good up top, at worst have 50/50 chance on getting the bottom correct.
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#7
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The part numbers are the same for the two tops. And likewise another part number for the two bottom sensors. So mixing them up front to back should not be an issue as long as you get top and bottom correct.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#8
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Thanks. So, is there a specific sensor for each bank up stream and downstream? Or is it as simple as just getting the upstreams upstream and the downstreams downstream.
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#9
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^Yep. Just that simple. One part number for upstream (shorter harness) and one part number for downstream (longer harness).
__________________
2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#10
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Bank shouldn't matter. There might be small differences I woukd reset fuel adaptations just to wake up the computer.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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