BMW e9 e10 e21 e28 Bulb 4W for Side Marker Lights (x2) Bulb 12V - 4W for Side Marker Light (set of 2) Brand NEW part with full 1 year warranty. BMW part# 07 50 9 063 576, check fit below. Recently made by OSRAM-SYLVANIA, not been lying around. Please see FITMENT CHART below, under PRODUCT DESCRIPTION. Email us your VIN for any questions.