my e90 o2 sensor error alarm,but nothing happent

leeking · 05-10-2011, 11:51 PM

my e90 o2 sensor error alarm,but nothing happent , do i have to replace the new one ? or what do i have to do to fix it ? anyone know DIY with pic if i have to replace new , thanks advance

e90pilot · 05-11-2011, 10:48 PM

Yes fix it. It could be running too rich which might not be noticeable but can damage your cats. Those will cost you over $1000 each to fix. O2 sensors are cheap in comparison.

05-10-2011, 11:51 PM	#1
leeking Registered 0 Rep 3 Posts Drives: not now Join Date: Feb 2011 Location: vn iTrader: (0)	my e90 o2 sensor error alarm,but nothing happent my e90 o2 sensor error alarm,but nothing happent , do i have to replace the new one ? or what do i have to do to fix it ? anyone know DIY with pic if i have to replace new , thanks advance
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05-11-2011, 10:48 PM	#2
e90pilot Freight Dawg 104 Rep 2,103 Posts Drives: E90 325i Join Date: Jul 2005 Location: Oakland, CA iTrader: (3)	Yes fix it. It could be running too rich which might not be noticeable but can damage your cats. Those will cost you over $1000 each to fix. O2 sensors are cheap in comparison. __________________ --Marcelo '06 Arctic Metallic 325i \| Sport Package \| 6MT \| Dinan Stage III suspension \| Dinan exhaust \| 330i manifold swap! Click here! \| Active Autowerke tune \| 135i Brake Calipers \| Deiselboost caliper brackets \| E46 M3 front rotors
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