how many oxygen sensors does my 1992 525i have? and which is the best replacement sensor to purchase?
Jun 11, 2010 at 6:06 PM
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RASMATAZ
✓Experienced Mechanic
75,992 POSTS
You got (1) heated oxygen sensor on the catalytic converter and the best one is the original equipment manufacturer part
Jun 11, 2010 at 9:34 PM
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