2003 BMW 530i Bsnk2 o2 sensor
Took my car to garage his computer said
bank 2 catalytic converter he said to
replace them ,, should I try replacing the
sensors first my car has 160000 miles I
bought it used for you guys that know all
about the BMW what would you do ?
Please help me decide ,, your opinion
If it's a P0420/P0430 code means that your catalytic converter is not doing its job, and replacing the O2 sensor will not usually help. A repair shop should be able to test if the O2 sensors are functioning properly.
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