Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire

Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
Upstream Oxygen O2 Sensor For BMW 128i, 135i, 323i, 328i, 335i, 528i & More - 5 Wire
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$ 25

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Description
    This is an upstream oxygen (O2) sensor for a bunch of BMW models like the 128i, 135i, 323i, 328i, 335i, 335is, 528i xDrive, and others. It's a 5-wire sensor, which is common for wideband sensors on these cars. The part number is 234-5139, and it matches a ton of OEM numbers like 11787557756. Important note: it's listed as only fitting cylinders 1, 2, 3 (so bank 1 sensor 1 on inline-6 engines). Wire harness is about 60 inches long, connector is male. It's a direct fit, designed for easy installation without needing to modify anything. Unbranded but comes with a 1-year warranty. New in packaging. If your check engine light is on for O2 sensor codes (like P0130-P0135 range), or you're getting poor fuel economy, this might be the fix. Crucial for your engine's air/fuel mixture. Double-check your BMW's exact model, year, and engine to confirm compatibility.

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    Returns information icon

    FREE In store & Online Returns Icon/Messaging/InfoIf for some reason, you're not 100% satisfied with your purchase, you can return or exchange quickly and easily in accordance with our Return policy. Some restrictions may apply.

    Price match information icon

    PRICE MATCH Guaranteed Icon/Messaging/InfoSARAHS-HEART.ORG will gladly match the price on a qualifying item sold in store or online at a qualifying retailer. See details