BMW X5/X6 Axle Differential / Diff (3.91) Front 31507609302

OEM Part #: 31-50-7-609-302 (31507609302)

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The OEM Axle Differential (Diff) with a 3.91 ratio is a crucial component located at the front of the vehicle, primarily responsible for distributing power from the transmission to the wheels. This part ensures smooth handling and balanced torque during acceleration, turn, and deceleration. Common issues necessitating replacement include gear wear, leaks, or complete failure, which can lead to poor traction and handling. This differential is compatible with BMW X5 models from 2007 to 2010 and the X6 from 2010, with OEM part number 7552536 and alternative number 7609302. Additionally referred to as a front differential, it plays a vital role in the overall drivetrain efficiency, ensuring optimal performance in various driving conditions.

Specifications

Specifications for Axle Differential / Diff (3.91) 31507609302
Fits Vehicle ModelX5, X6
Fits Vehicle MakeBMW
OEM Part No31-50-7-609-302 (31507609302)
Compatible OEM Part No 7552536
SideFront
CategoryDifferential

Compatible Vehicles

Fits 6 vehicle configurations across 1 make, 2007-2010.

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

  • X5 2007-2010 · 5 variants
  • X6 2010
View all 6 vehicle configurations
Full vehicle fitment list for Axle Differential / Diff (3.91) 31507609302
Year Make Model Trim Engine Note
2007 BMW X5 SUV 4.8L V8
2008 BMW X5 SUV 4.8L V8
2009 BMW X5 SUV 4.8L V8
2010 BMW X5 SUV 4.4L V8 Turbo
2010 BMW X5 SUV 4.8L V8
2010 BMW X6 SUV 4.4L V8 Turbo

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