51353448252 51353448251 Window Regulator Lifter Fit For E83 Spare Parts OEM : 51353448252,51353448251 Installation Simple and straightforward:Installation is a breeze, requiring no complex steps, allowing for quick setup. The product design is adapted to the vehicle's shape, and after installation, it fits perfectly with the body lines, achieving a balance between aesthetics and protective performance. Made following stringent specifications by an manufacturer,Each window regulators are tested by cycling them up and down thousands of times in an actual vehicle door to ensure a long,trouble-free service life., Manufacturer: PLYHNDRC