jeudi 26 février 2015

02 sensor help?! bank 2? aftercat?

hey guys i have a 2008 335i e92 and is keeps throwing the code for aftercat 02 sensor trim control bank 2. the error code is 2c7f.



i bought a new sensor also but it looks very tight in there and I'm not sure which side is bank 2..?



any help is appreciated thank you




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