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BMW 3-Series (E90 E92) Forum
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2C7B LAMBDA Probe behind catalytic converters 2, signal code?
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| 02-27-2020, 04:10 PM | #1 |
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First Lieutenant
 
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2C7B LAMBDA Probe behind catalytic converters 2, signal code?
Was having difficulty which O2 sensor is this pre or post cats? And which bank?
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