Window Regulator Front Right Side Fit For Bmw R50,R53 R52 2000-2008 OEM: 51337039452 The surface of the window regulator support is made of cold-rolled steel plate, which is durable and has good seismic. This product is engineered to match vehicle contours precisely. Once fitted, it seamlessly aligns with the car’s body curves, striking an ideal balance between attractive appearance and solid protective capability. Manufactured in strict compliance with rigorous industry standards, every window regulator undergoes thousands of up-and-down cycle tests inside real car doors to guarantee long-lasting, glitch-free operation., Manufacturer: AIQWOJD