Packaged by Turner Oxygen Sensors for BMW 3 Series E91 (2006-2012)

Clear BMW chassis

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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Rear Oxygen Sensor Set - N52, N54

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:55353594

Part#: 11787545074/5KT2

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$ 366.99 USD

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$ 366.99 USD

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Sluggish oxygen sensors do a lot more than just light up your dashboard with an annoying Check Engine Light—they directly choke your BMW’s performance.

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Packaged by Turner Oxygen Sensors for BMW 3 Series E91 (2006-2012)

Rear Oxygen Sensor Set - N52, N54

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