2018-2024 BMW X3/X4 Axle Differential / Diff (3.38) Rear 33108643134
OEM Part #: 33-10-8-643-134 (33108643134)
Actual photo
The exact part you’ll receive — not a stock photo.
$399.00
Side: Rear
Used
Donor2019 BMW X3 · 2.0L
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Genuine OEM Used
SKU: 705718
Donor Vehicle: 2019 BMW X3 · 2.0L
4 photos
$399.00
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This BMW rear axle differential (OEM 8643134) is a used genuine component from a donor vehicle. Known as the diff or rear differential, it carries a 3.38 ratio and transfers torque to the rear wheels. Common failure signs include a whining or humming sound during turns, clunking on acceleration, or fluid leakage. It fits X3 and X4 models equipped with the 2.0L or 3.0L turbocharged gas engines, including mild-hybrid variants.
Specifications
| Fits Vehicle Model | X3, X4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 33-10-8-643-134 (33108643134) |
| Side | Rear |
| Category | Differential |
Compatible Vehicles
Fits 28 vehicle configurations across 1 make, 2018-2024.
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 28 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2024 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2023 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2024 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2021 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2020 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2023 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2019 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2018 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2020 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2023 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2018 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X4 | SUV | 3.0L l6 Turbo |