IDENTIFICATION
| WARNING | Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see AIR BAG SAFETY PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in AIR BAG DEACTIVATION PROCEDURES article. |
| CAUTION | When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES in CODING AND PROGRAMMING - OVERVIEW - ALL MODELS article before disconnecting battery. |
FRONT FUSE HOLDER
Front fuse holder is located in right rear of engine compartment. (Scheme 1) The front fuse holder contains the following fuses
- F01 - 30 Amp - Ignition coils.
- F02 - 30 Amp - Engine electronics.
- F03 - 20 Amp - Hot-film air mass sensor, crankshaft sensor, characteristic map thermostat and camshaft sensors.
- F04 - 30 Amp - Oxygen sensors and sequential manual transmission.
Scheme 1
FUSES IN GLOVE BOX
For location, amperage and components covered (Scheme 2)
Scheme 2
FUSES IN LUGGAGE COMPARTMENT
For location, amperage and components covered (Scheme 3)
Scheme 3
INTEGRATED SUPPLY MODULE (545i)
The integrated supply module is located in right rear of engine compartment. (Scheme 4) The integrated supply module contains the following fuses
- F001 - 30 Amp - Variable valve timing gear control module and fuel injectors 5-8.
- F002 - 20 Amp - Fuel tank vent valve, bank 2 camshaft sensors and bank 2 VANOS solenoid valves.
- F003 - 20 Amp - Ignition coils 1-4.
- F004 - 20 Amp - Ignition coils 5-8.
- F005 - 30 Amp - Crankshaft sensor, hot-film air mass meter, bank 1 camshaft sensors, characteristic map thermostat, and bank 1 VANOS solenoid valves.
- F006 - 20 Amp - Fuel injectors 1-4.
- F007 - 20 Amp - Sequential Manual Transmission (SMG).
- F008 - 30 Amp - Oil quality sensor and oxygen sensors.
- F009 - 10 Amp - Fuel pump relay, exhaust flap, radiator shutter solenoid switch, E-box fan, fuel tank leakage diagnostic module and secondary air pump relay.
- F010 - 40 Amp - Relay 1 variable valve timing gear control module.
- F011 - 40 Amp - Relay 2 variable valve timing gear control module.
Scheme 4
REAR FUSE HOLDER
On sedans, rear fuse holder is located on right side of luggage compartment. (Scheme 5) On station wagon models, rear fuse holder is located on right rear side. (Scheme 6) Rear fuse holder contains the following
- F90 - 200 Amp - Front fuse holder.
- F91 - 100 Amp - Integrated supply module, valve timing (545i).
- F92 - 100 Amp - Electric auxiliary heater.
