BMW 3 Series E90 E91 20052011 Rear Right Window Regulator Compatibility and function: Rear right window regulator for BMW 3 Series E90 E91, sedan and wagon, model years 2005–2011. Right rear window regulator assembly designed to restore proper window operation. Quiet and smooth performance: The window lift runs extremely quietly and almost noiselessly, creating a calm driving environment and helping you focus on the road ahead. Easy installation: Uses precise mounting points for straightforward installation. Plugandplay compatibility with factory mounting points simplifies the replacement process. Eliminate noise and sticking: Replaces loud motor noises or jerky window movement with quiet, smooth operation for a reliable, peaceful ride. Build and compatibility notes: Designed to meet OEMlike standards to ensure proper fit and dependable performance in the specified vehicle range. 23 practical use scenarios Scenario 1: Replacing a faulty rear right window regulator on a BMW 3 Series E90/E91 sedan or wagon (2005–2011) to restore full window function. Scenario 2: Replacing a window that is noisy or sticks during operation, returning quiet and reliable performance. Scenario 3: DIY replacement using a plugandplay mounting process to avoid dealership service and maintain OEMstyle fit.