BMW O2 / Oxygen Sensor (POST Cat / DOWNSTREAM) Rear 11788651104

OEM Part #: 11-78-8-651-104 (11788651104)

O2 / Oxygen Sensor (POST Cat / DOWNSTREAM) 11788651104 for BMW

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O2 / Oxygen Sensor

O2 / Oxygen Sensor

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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

Specifications for O2 / Oxygen Sensor (POST Cat / DOWNSTREAM) 11788651104
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.

BMW

330e 2021-2024 · 4 variants 2 with notes
330e xDrive 2021-2024 · 4 variants 2 with notes
330i 2019-2024 · 6 variants
330i xDrive 2019-2024 · 6 variants
530e 2021-2022 · 2 variants
530e xDrive 2021-2022 · 2 variants
X3 2019-2023 · 5 variants
X4 2019-2024 · 6 variants
Z4 2019-2023 · 5 variants

View all 40 vehicle configurations — 4 with fitment notes

Full vehicle fitment list for O2 / Oxygen Sensor (POST Cat / DOWNSTREAM) 11788651104
Year	Make	Model	Trim	Engine	Note
2019	BMW	330i	Sedan	2.0L l4 Turbo
2019	BMW	330i xDrive	Sedan	2.0L l4 Turbo
2019	BMW	X3	SUV	2.0L l4 Turbo
2019	BMW	X4	SUV	2.0L l4 Turbo
2019	BMW	Z4	Convertible	2.0L l4 Turbo
2020	BMW	330i	Sedan	2.0L l4 Turbo
2020	BMW	330i xDrive	Sedan	2.0L l4 Turbo
2020	BMW	X3	SUV	2.0L l4 Turbo
2020	BMW	X4	SUV	2.0L l4 Turbo
2020	BMW	Z4	Convertible	2.0L l4 Turbo
2021	BMW	330i	Sedan	2.0L l4 Turbo
2021	BMW	330i xDrive	Sedan	2.0L l4 Turbo
2021	BMW	X3	SUV	2.0L l4 Turbo
2021	BMW	X4	SUV	2.0L l4 Turbo
2021	BMW	Z4	Convertible	2.0L l4 Turbo
2022	BMW	330i	Sedan	2.0L l4 Turbo
2022	BMW	330i xDrive	Sedan	2.0L l4 Turbo
2022	BMW	X3	SUV	2.0L l4 Turbo
2022	BMW	X4	SUV	2.0L l4 Turbo
2022	BMW	Z4	Convertible	2.0L l4 Turbo
2021	BMW	330e	Sedan	2.0L l4 Turbo
2021	BMW	330e xDrive	Sedan	2.0L l4 Turbo
2021	BMW	530e	Sedan	2.0L l4 Turbo
2021	BMW	530e xDrive	Sedan	2.0L l4 Turbo
2022	BMW	330e	Sedan	2.0L l4 Turbo
2022	BMW	330e xDrive	Sedan	2.0L l4 Turbo
2022	BMW	530e	Sedan	2.0L l4 Turbo
2022	BMW	530e xDrive	Sedan	2.0L l4 Turbo
2023	BMW	330e	Sedan	2.0L l4 Turbo	W/HYBRID
2023	BMW	330e xDrive	Sedan	2.0L l4 Turbo	W/HYBRID
2023	BMW	330i	Sedan	2.0L l4 Turbo
2023	BMW	330i xDrive	Sedan	2.0L l4 Turbo
2023	BMW	X3	SUV	2.0L l4 Turbo
2023	BMW	X4	SUV	2.0L l4 Turbo
2023	BMW	Z4	Convertible	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
2024	BMW	330i	Sedan	2.0L l4 Turbo
2024	BMW	330i xDrive	Sedan	2.0L l4 Turbo
2024	BMW	X4	SUV	2.0L l4 Turbo