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Discussion Starter #1
I have searched the DIY section for O2 sensor and Oxygen sensor, but no hits.

The E34 has a brilliant home video, but couldn't find anything on the 7.

Has anyone done the 2 Pre cats or the 2 Post cats

I would contribute to a home video for this, maybe Paypal on a voluntary basis.

Would anyone else? It seems like the dealers are ripping us off on these.

If someone has done these, is Autozone really the best place to buy

Thanks in advance
 
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