This front differential carrier assembly is an aftermarket replacement part for select BMW X3 vehicles. It is identified by a 3.73 ratio and reference number 31507592002. The carrier assembly houses the differential gearing that transfers power to the front axle.
Product Details
Reference Number: 31507592002
Ratio: 3.73
Position: Front
Fitment & Compatibility
For BMW X3 2011-2017
Frequently Asked Questions
Q: What does the 3.73 ratio indicate? A: The ratio describes the gear reduction between the driveshaft and the front axle, and it should match the ratio the vehicle requires.
Q: How do I verify this carrier assembly fits my X3? A: Confirm your complete model year and the reference number 31507592002 against your vehicle's existing part before ordering.
This is an aftermarket replacement part. Confirm fitment before purchase.
