After catalyst in exhaust pipe. | Right
For vehicles with production date from 09/1987
Bosch Upstream O2 Sensor
10X Entries Into Our F80 M3 Sweepstakes
2 required in each application
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Rear Position
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Left
2 required in each application
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Bank 2 Sensor
5X Entries Into Our F80 M3 Sweepstakes
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For Vehicles with Automatic Transmission
Located in the front position of the exhaust manifold
5X Entries Into Our F80 M3 Sweepstakes
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Degraded Nitrous Oxide Sensors reduce engine performance and fuel efficiency, and increase harmful tailpipe emissions. They can also turn on the Check Engine Light and cause a car to fail an emissions test.
Replace your secondary O2 sensors!
This product was last offered at the strikethrough price on
05-07-2026
From 06/2006, Right Bank, Upstream (B1S1)
This product was last offered at the strikethrough price on
05-07-2026