BMW E53 X5 / E83 X3 / E71 X6 Transfer Case Motor Gear Reinforced Replacment - New Transfer Case Actuator Gear Kit 27107566296 / W164 New Transfer Case Actuator Servo Motor Gear Replacement for BMW E83 X3 & E53 X5 & E71 X6 Heavy Duty Gear Made From Carbon Fiber Reinforced Nylon OEM# 27107566296GR / 093509010 / 1645400188 / 0130 008 507 Product Is Tested, and Guarenteed to Fit! / Exceeds Oem Quality Stadards Direct Replacement for Oe Part / Drop in Easy Installation The BMW E83 X3 and E53 X5 / X6 transfer case motor is a common failure. Inside the motor is a plastic gear that is prone to wearing out over time, which can cause malfunction faults and leave the all-wheel-drive system inoperable. This is a solution to replace only the broken gear, instead of the entire motor, saving you hundreds of dollars on the repair. Inside the Transfer Case Motor on All-Wheel-Drive BMW X3 and X5's is a plastic gear which was poorly designed. It's common to quickly wear out causing drivetrain problems, malfunctions and faults making the all-wheel drive system inoperable. This solution replaces only the problem gear wheel instead of the entire motor! Suitable for this vehicle models: BMW X3 E83 2003 -&gt; 2010, BMW X5 E53 LCI 10/2003 -&gt; 2006, BMW X5 E70 2006 -&gt; 06/2009, BMW X6 E71 2007 -&gt; 08/2010