Thread: DIY rewiring Post Cat O2 sensors to Euro location
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      06-09-2013, 05:55 PM   #25
seank
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Drives: e30 m3,e90 wagon,sprinter,z4m
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Quote:
Originally Posted by rkstar9 View Post
does this affect the the idle at all ? or will it kill MPG?
Idle is slightly louder and gas mileage will probably suffer due to having your foot in it more to hear the sound.

Is that your wife in the picture?
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