Thread: Strange codes?
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Old 12-13-2012, 09:10 AM
edjack edjack is offline
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Location: San Jose, CA
Join Date: May 2007
Posts: 13,348
Mein Auto: '97 540i 6 speed
The car won't run well w/o pre-cat O2 sensors, so you must mean post-cat sensors. If they are in place, the DME will report a cat poerformance problem, since the cat is gone, and not doing its job. If not in place, the DME will set a code that they are missing.

What exactly were the codes?

Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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