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BMW 3-Series (E90 E92) Forum
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o2 sensor replacement
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08-16-2018, 02:28 PM | #1 |
Second Lieutenant
23
Rep 211
Posts |
o2 sensor replacement
Hi All,
Can someone confirm if the subframe and/or downpipes need to be removed to replace the upstream o2? I think my bank 2 o2 is on the way out and wanted to get an idea on what I'll be dealing with. Thanks in advance. |
08-19-2018, 09:12 PM | #2 |
New Member
2
Rep 8
Posts |
Easier to do from the top and right wheel well. Right where we'll gives good access to upstream O2 sensors and it's then just a matter of routing around the valve over and connecting correctly at the harness
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Appreciate
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