BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car

+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
- 13. Electric equipment
   13.1.2. Search of malfunctions
   13.1.3. Safety locks
   13.1.4. Relay
   13.1.5. Breaker of indexes of turn/alarm system
   13.1.6. Switches on a steering column
   13.1.7. Ignition lock
   13.1.8. Receiver
   13.1.9. Antenna
   13.1.10. Guard of devices
   13.1.11. Payment SI (index of maintenance)
   13.1.12. Headlights – replacement of lamps
   13.1.13. Adjustment of headlights
   13.1.14. Headlight case
   13.1.15. Replacement of lamps
   13.1.16. Screen wiper electric motor
   13.1.17. Heater of back glass
   13.1.18. Safety cushions
   13.1.19. System cruise control
   13.1.20. The central locking system
   13.1.21. Electric stelokpodjemnik
   + 13.2. Electrical circuitries
+ 14. Useful tips


13.1.3. Safety locks


Assembly block of safety locks

Chains of electric equipment of the car are protected by safety locks or fusible crossing points. The assembly block of safety locks is mounted on the left side of a motor compartment. On a part of latest models the block is mounted under a back seat.

For access to a safety lock uncover the assembly block. On a cover the chain which is protected by this safety lock is specified. At refusal of a chain at first check a safety lock. The fused safety lock easily is found on appearance. To replace a safety lock get faulty and insert new, having pushed it into a nest. The rated current and appearance of the new and replaced safety locks have to be identical. It is forbidden to use wire pieces instead of a safety lock. At burn-out of a new safety lock find the reason and eliminate.