E36 racecar wire removal & rewire? - Pelican Parts Forums Need some tips from the experts on racecar wiring; or better yet removing the un-needed & unwanted wires from my JP project E36 4door 92' 325i. Here's where I am on this: Car is stripped clean & WCTC cage is welded in place. I don't have LEXAN windows yet so Bmw E36 Wiring Harness Racing – Roshdmag Tags: #e36 engine harness #bmw e39 head unit wiring diagram #bmw e36 race car wiring #bmw e38 wiring cluster . Leave Your Reply on Bmw E36 Wiring Harness Racing.