BMW O2 / Oxygen Sensor (POST Cat / DOWNSTREAM) Rear 11788651104
OEM Part #: 11-78-8-651-104 (11788651104)
Actual photo
The exact part you’ll receive — not a stock photo.
$79.99
Side: Rear
Used
Donor Vehicle2021 BMW 330i xDrive · 2.0L · 74k miles
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Genuine OEM Used
SKU: 728134
Donor Vehicle: 2021 BMW 330i xDrive · 2.0L · 74k miles
2 photos
$79.99
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O2 / Oxygen Sensor (Post Cat / Downstream) for select BMW models. This critical component monitors exhaust gas composition after the catalytic converter, ensuring optimal engine performance and emissions control. Commonly addresses issues related to inefficient fuel combustion and increased emissions. Compatibility: - BMW 330i, 330i xDrive (2019-2024) - BMW X4 (2019-2024) - BMW X3, Z4 (2019-2023) - BMW 330e, 330e xDrive (2021-2024) - BMW 530e, 530e xDrive (2021-2022) Interchangeable Part Numbers: 8651104. Placement: Rear. Designed for precise fitment and reliable function.
Specifications
| Fits Vehicle Model | 330e, 330e xDrive, 330i, 330i xDrive, 530e, 530e xDrive, X3, X4, Z4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 11-78-8-651-104 (11788651104) |
| Side | Rear |
| Category | Exhaust |
Compatible Vehicles
Fits 40 vehicle configurations across 1 make, 2019-2024.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 40 vehicle configurations — 4 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2024 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2023 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2019 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2019 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2023 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2024 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2023 | BMW | Z4 | Convertible | 2.0L l4 Turbo | |
| 2024 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2019 | BMW | Z4 | Convertible | 2.0L l4 Turbo | |
| 2020 | BMW | Z4 | Convertible | 2.0L l4 Turbo | |
| 2023 | BMW | 330e xDrive | Sedan | 2.0L l4 Turbo | W/HYBRID |
| 2023 | BMW | 330e | Sedan | 2.0L l4 Turbo | W/HYBRID |
| 2020 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2020 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2021 | BMW | Z4 | Convertible | 2.0L l4 Turbo | |
| 2021 | BMW | 330e xDrive | Sedan | 2.0L l4 Turbo | |
| 2021 | BMW | 330e | Sedan | 2.0L l4 Turbo | |
| 2024 | BMW | 330e | Sedan | 2.0L l4 Turbo | W/HYBRID |
| 2024 | BMW | 330e xDrive | Sedan | 2.0L l4 Turbo | W/HYBRID |
| 2021 | BMW | 530e xDrive | Sedan | 2.0L l4 Turbo | |
| 2021 | BMW | 530e | Sedan | 2.0L l4 Turbo | |
| 2022 | BMW | 330e xDrive | Sedan | 2.0L l4 Turbo | |
| 2022 | BMW | 330e | Sedan | 2.0L l4 Turbo | |
| 2022 | BMW | 530e xDrive | Sedan | 2.0L l4 Turbo | |
| 2022 | BMW | 530e | Sedan | 2.0L l4 Turbo | |
| 2022 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2022 | BMW | Z4 | Convertible | 2.0L l4 Turbo | |
| 2022 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2021 | BMW | 330i | Sedan | 2.0L l4 Turbo |