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Oxygen Sensors

Oxygen sensors constantly monitor engine emissions and relays this data to the DME. Using these readings the computer determines the proper air/fuel mixture as well as how efficiently the catalyst system is functioning. Symptoms of a failed oxygen sensor range from an EML to poor fuel economy and severe loss of power. A failed upstream sensor will typically cause the engine to run poorly and a failed downstream sensor will typically present as a catalyst efficiency code.
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Oxygen Sensor Kit - F30/31 N47, E70 M57
Oxygen Sensor Kit - F30/31 N47, E70 M57
Bremmen Parts - Corporate Logo
T#:55569520
Part#: 13628589844KT2
Ships on Oct 15, 2026
New Item
Sale - Save 10% $ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 693.88 USD
Free Shipping on orders $49 and up
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Sale - Save 10%
$ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 693.88 USD
Free Shipping on orders $49 and up
Add to Wish List
Oxygen sensors are used by the vehicle computer to adjust the air/fuel ratio and test vehicle emissions. This kit includes both rear Sensors.
Front Oxygen Sensor - Bank 1 Pre-Cat
Front Oxygen Sensor - Bank 1 Pre-Cat
Bremmen Parts - Corporate Logo
T#:54780515
Part#: 11787558055
Ships on Oct 19, 2026
New Item
$ 99.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 99.99 USD
Free Shipping on orders $49 and up
Add to Wish List

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