BMW E87 / E90 Differential (3.07 Ratio) – 318d / 120d
This is a genuine BMW rear differential (diff) with a
3.07 ratio, suitable for BMW E87 and E90 models
including 318d and 120d. The differential transfers power from the
driveshaft to the rear wheels and is critical for smooth and efficient drivetrain operation.
Part details
- Manufacturer: BMW
- Models: E87 / E90
- Engines: 318d / 120d
- Type: Rear differential / final drive
- Ratio: 3.07
- OEM part numbers: 7566169 / 7524307
- Condition: Genuine used OEM part
Function
The rear differential (final drive) allows the rear wheels to rotate at different speeds
while cornering and delivers power efficiently from the gearbox to the wheels.
Correct ratio matching is essential for drivability and drivetrain longevity.
Compatibility
Differential fitment depends on engine variant, gearbox type, and final drive ratio.
Please match the ratio (3.07) and confirm one of the
OEM part numbers 7566169 or 7524307 with your original unit
before purchasing.
What you will receive
- Rear differential / final drive unit
- Supplied exactly as shown in the photos
Before purchasing
- Confirm chassis code (E87 or E90).
- Ensure the 3.07 ratio matches your existing differential.
- Check compatibility with your engine and drivetrain.
- Professional installation is strongly recommended.
- If unsure, contact us with your VIN for verification.
Browse our shop for more BMW drivetrain components,
rear axle parts, and OEM transmission assemblies.
