Perfect Fit Group B491704 - 3-Series Rear Window Regulator LH, Power, W/O Motor, Sedan/ Wagon Replacement automotive parts are an economical and quality alternative to high priced OE parts Manufactured using high quality materials and designed to meet OEM specifications It is very common to have multiple variations & features for each year, make, & model. Please check the Partslink and OE Reference numbers to make sure you are getting the correct replacement part for your vehicle