Table of Contents EWS - e38 BMW 7-series information PDF fileTable of Contents EWS. 2 EWS Drive Away Protection System (EWS) Model: EWS I/EWS II/EWSIII/EWS IIID EWS I was installed on vehicles beginning production 1/94, E36 -In the relay carrier to the left of the steering column. Entire e36 Wiring Diagram - The Ultimate BMW Forum for Entire e36 Wiring Diagram Mostly Senior Member BMW E36 M3 Expert. Join Date Mar 2002 Location Eldersburg, Md Posts 11,995 My Cars 95 ///M3sc, 16 C7 Z51. You are going to need to find an EWS antenna ring, and a new key. Then you are going to have to have the EWS aligned. If you had taken the EWS antenna, BMW EWS 3 - PINOUT AND DESCRIPTION Electronic vehicle immobilization system EWS3 - pinout diagram and description.