I find these guys sell O2 sensors at a very competitive price.
I bought from them 2 times,although after a year my after catalytic O2s are aging(may be the same cause as you describe)
BMW Oxygen Sensor Rear - Bosch 15109 | FCP Euro
Quote:
Originally Posted by nebilex
How many of you had to change you catalytic converter on your X? How many miles did you have when you had to change it? I got a fault and it reads catalytic converter below normal operation... I am assuming its plugging up. But I also have bank 1 & 2 oxygen sensor falt. Planning to change sensors first. Best place to buy sensors?
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