Help ! Service Engine Soon Fault Codes 2882 and 2883
I have a 2006 X3..
Last week i got this Service Engine soon light on the panel
So i took it to BMW dealership...for checkup
and that's what the technician found out ..
46077 Permanent malfunction within both before cat oxygen sensors.
Verified SES light illuminated. Performed vehicle test, found fault
codes 2882 bank 1 fuel trim(lean mixture) and 2883 bank 2 fuel
mixture(lean mixture). Smoked tested intake system, inspected for
leaks, no leaks present in intake system. Performed function check of
HFM, found HFM operating within specification. Performed function check
of both before cat oxygen sensors, both reading at 1.5(operating
specification between 0.0-1.1). Test plan prompted to replace both
before cat oxygen sensors.
They are quoting almost $1200 for this job.. Is it fair..
I checked the price of OEM Bosch Sensors online i can buy it for around $200..
Do you think by just replacing sensors it will solve the problem.. as i was reading the forums that just replacing the sensors won't solve this problem some body has also mentioned about changing CCV .. do i need to do that too.. ???
Please read the diagnose above and guide me..