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      05-05-2013, 12:37 PM   #46
elm3
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Drives: '09 E92 M3 IB/'17 f85 X5M LBB
Join Date: Sep 2008
Location: Canton, GA.

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2017 BMW / X5M  [5.00]
2009 E92 M3  [5.00]
2004 Yamaha R1  [5.00]
Quote:
Originally Posted by a0s4957 View Post
Eric,
Thanks for your help, i think you are right. I am going to first fix a leaks in the exhaust i found. If this doesn address it i will move to changing both o2 sensors.
Thanks,
Andres
Actually some of your problem could be vacuum leak. So yeah, fix the exhaust before you replace the O2 sensors.
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