Fuse and relay box diagram BMW 3 E46 - fusesdiagram Locate fuse box. Engine bay. loosen 4 screw and open the cover. fuse box diagram. legend. 1. Fuse box in the glove compartment BMW E46. (5A) Sequential mechanical gear box-M3. F23 (5A) Engine coolant pump motor- Diesel. F24 (5A) Anti-dazzle interior mirror, parking aid control module BMW Engine Electronics Fuse Pack – In Underhood E-Box, E46 Aug 10, 2010The pack is located in the under-hood E-Box (Electronics Box). Some models have the E-Box on the driver’s side and some are on the passenger side. The E-Box on the E46 3-series is located at the rear of the driver’s side of the engine compartment.