BMW M3 318i 323i 325i 328i (1992 – 1998) Ignition System All engines covered by this article use an advanced engine management system. The engine management system incorporates on-board diagnostics, fuel injection, ignition and other advanced engine control functions. The engine management system variants include: 4-cylinder M42 (1.8l) BOSCH DME M1.7; 4-cylinder M44 (1.9l) BOSCH DME M5.2 (OBD II); 6-cylinder M50 (2.5l/1992) BOSCH DME M3.1; 6-cylinder M50 (2.5l/1993-1995) BOSCH DME M3.3.1; 6-cylinder Read more […]