https://blog.bavauto.com/5677/bmw-e46-3-series-engine-electronics-fuse-pack-in-underhood-e-box/
Fuse 1 - 30A - DME, Injectors, SMG Hydraulic unit
Fuse 2 - 30A - DME, Idle control valve, Fuel tank ventilation valve, Fuel pump
Fuse 3 - 20A - E-box fan, Transmission RPM sensor, Camshaft positioning sensors, Mass airflow sensor, Fuel pump relay, Secondary air pump relay, A/C Compressor relay, Fuel tank leakage diagnostic module, SMG selector lever
Fuse 4 - 30A - Oxygen sensors and oxygen sensor heater circuits.
Fuse 5 - 30A - Fuel injector relay.