BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car

BMW E30
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engine
   + 3.1.2. Specifications
   + 3.2. Dismantle and capital repairs of the engine
   - 3.3. Engine electric equipment
      3.3.2. Specifications
      3.3.3. The battery - launch of the engine in emergency situations
      3.3.4. Removal and installation of the battery
      3.3.5. Power cables
      + 3.3.6. System of ignition
      + 3.3.7. System of a charge of the battery
      + 3.3.8. System of launch of the engine
      3.3.9. Malfunctions of the generator
      3.3.10. Main malfunctions of electric equipment
+ 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
+ 14. Useful tips

3.3.2. Specifications

GENERAL INFORMATION

General characteristic of ignition

Carburetor engines or engines with system of injection L-Jetronic	Transistor bobbin system of ignition (further TCI system)
Engines with system of injection Motronic	Electronic ignition with management from the processor block (the DME system – Digital Motronic System)

On models 320 since 1980.	Contactless system
Ignition coil
– resistance of primary winding:
• TCI system	0,82 Ohm
• DME system	0,50 Ohm
– resistance of a secondary winding	9,0 – 15,7 kOhm
• TCI system	8,250 kOhm
• DME system	5 – 6 kOhm
Distributor of ignition (TCI system):
– A gap between a rotor and the sensor	0,3 – 0,7 mm
– Resistance of the induction sensor	0,9 – 1,2 kOhm
Ignition advancing corner (TCI system, at the disconnected tube of the vacuum regulator on the distributor):
– model 316, M10/B18 engine	25 ° to VMT at 2500 rpm (2900 rpm on cars with 09.1983)
– model 318i, M10/B18 engine	30 °до VMT at 3000 rpm
– model 320i, M20/B20 engine	23 ° to VMT at 5000 ± 50 rpm

Inhaling moments (N. of m)

Distributor collar bolt	20
Candles	27