Bosch Oxygen Sensors for BMW E71 X6 ActiveHybrid N63 4.4L

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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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OEM Bosch Oxygen "O2" Sensor - Post Cat - N63 S63
OEM Bosch Oxygen "O2" Sensor - Post Cat - N63 S63
Bosch - Corporate Logo
T#:585261
Part#: 11787614322
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$ 176.90 USD
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$ 176.90 USD
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This direct-fit Bosch oxygen sensor plugs directly into your factory connector. This is the post-cat sensor. No cutting or splicing required. A new oxygen sensor can improve driveability and lengthen engine life.
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OEM Bosch Oxygen Sensor - N63 S63
OEM Bosch Oxygen Sensor - N63 S63
Bosch - Corporate Logo
T#:374530
Part#: 17187
Ships in 1 day
$ 251.87

This product was last offered at the strikethrough price on
04-09-2026

$ 155.70 USD
Free Shipping
Add to Wish List
$ 155.70 USD
Free Shipping
Add to Wish List

OEM Bosch replacement oxygen sensor. Lambda Monitor Sensor : L = 500mm

Fits the following BMW chassis:
E70 E71 F01 F02

Fits the following BMW engines:
N63, S63

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