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Oxygen sensors - best price?

1095 Views 13 Replies 4 Participants Last post by  d_cleverzz
Driving an 05 330i ZHP and wanting to confirm the correct Oxygen sensors and see where everyone has found them for the best price. Car is at 170,000 miles and figured it was time to preventatively replace them.

Downstream Bosch 15680 and 15681
Upstream Bosch 17215 and 17216 (I've heard 17215 works for both?)

The cheapest I've found is amazon at around $120 each for upstream and ~$80-90 each for downstream. Anyone found them cheaper elsewhere?
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I've been searching also and far I've found Amazon to be cheapest as well. Same for ignition coils.
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