Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine
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Brand:
ES#:
11026
Mfg#:
13951
In Stock
Limited Qty Sale
$208.90
This product was last offered at the strikethrough price on 05-19-2026
Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine
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Brand:
ES#:
3031886
Mfg#:
11781743994
In Stock
$199.99
This product was last offered at the strikethrough price on 05-07-2026
Bank 1 sensor, before the catalytic converter
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Brand:
ES#:
2840643
Mfg#:
11787836394
In Stock at Vendor
41% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$320.72
This product was last offered at the strikethrough price on 06-04-2026
Located in the rear position of the exhaust manifold
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with production date from 03/2003
Fuel control and emissions control sensor
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Located before the catalytic converter on the longer downpipe.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Located in the front upstream position.
Brand:
ES#:
2767303
Mfg#:
11787848482
Ships in 1 day
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$406.99
This product was last offered at the strikethrough price on 06-04-2026
Located in the front position of the exhaust manifold
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine
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Brand:
ES#:
11025
Mfg#:
15138
In Stock
Limited Qty Sale
$145.27
This product was last offered at the strikethrough price on 05-21-2026
Located in the rear position of the exhaust manifold
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A common source of check engine lights is a failed or failing oxygen sensor. When the O2 sensor can't register oxygen content before and after your catalytic converter, it doesn't know what to do with the fuel mixture and will default to run rich. Replace old failing oxygen sensors with OEM O2 sensors or quality aftermarket O2 sensors if you're looking to save a few bucks.
Lifetime Replacement
