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      09-24-2013, 10:49 AM   #8241
Private First Class
Drives: 335i
Join Date: Jul 2011
Location: Florida

Posts: 114
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Originally Posted by 135Pats View Post
Which o2 did you swap out? Pre-cat or post-cat? They do completely different things…Good news is, if it’s just a post-cat o2, your car should run OK. The post-cat o2 measures converter readiness, it’s the lambda o2 that you really need in functioning order.
I changed the o2 that is post cat on bank 1. The code reads something like this : Lambda probe after catalytic converter, Signal.
The Old: DG G35 6mt coupe The New: AW 6mt E92 335i
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