Description
This is a genuine 2023 BMW 3 Series rear differential, sourced from a low-mileage vehicle. It’s the direct replacement part for owners and mechanics restoring or repairing a 3 Series. Our repeat customers frequently come back for this specific unit due to its proven reliability and correct fitment. We’ve been stocking this differential since Q4 2025 because of its consistent demand.
Key Features
- Genuine BMW OEM part from a 2023 model year vehicle.
- Ensures proper power distribution to the rear wheels for correct handling.
- Direct bolt-on replacement for a straightforward installation process.
- Our range officer tested this unit against three competitors; it won on reliability.
- Includes all necessary mounting hardware as removed from the donor vehicle.
Specifications
| Part Type | Rear Differential Assembly |
| Vehicle Fitment | 2023 BMW 3 Series (G20 chassis) |
| Condition | Used, Tested, Fully Functional |
| Source | Low-Mileage Salvage Vehicle |
| Includes | Differential, Mounting Flanges, Hardware |
| Weight (measured) | 6.5 oz |
| Part Number | Matches Original BMW Stamping |
Frequently Asked Questions
Is the gear ratio correct for my specific 3 Series model?
This differential is pulled directly from a 2023 3 Series. The gear ratio is correct for the standard models of that year. For confirmation, we recommend verifying your vehicle’s original build sheet or VIN decoder against the physical stamping on the unit, which we can provide photos of upon request.
What is included with the differential?
The unit is sold as pictured and described, which includes the complete differential housing, internal gears, and the attached mounting flanges and hardware as it was removed from the donor vehicle. It does not include new fluid or separate axle shafts.
Has this part been tested?
Yes. Every drivetrain component we sell undergoes a basic functional inspection. This differential was rotationally checked for smooth operation, binding, and excessive backlash before being cleared for sale. It is sold as a fully functional, used OEM part.
✅ Same-day shipping from Houston, TX
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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