﻿ The device, service, repair of BMW 3 of a series E30 1983-1994 - 3.2.30. Engine start-up after repair and a running in//E30 BMW /

E30 series BMW 3

since 1983-1994 of release

Repair and car operation

+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engine
   + 3.1.2. Specifications
   - 3.2. Dismantle and major maintenance of the engine
      3.2.2. Specifications
      3.2.3. Major maintenance – the general instructions
      3.2.4. Compression check in engine cylinders
      3.2.5. Major maintenance – general comments
      3.2.6. Engine diagnostics by means of the vacuum gage
      3.2.7. Major maintenance – alternatives
      3.2.8. Dismantle of the power unit
      3.2.9. Removal and engine installation
      3.2.10. Order of dismantling of the engine
      3.2.11. Dismantling of a head of the block of cylinders
      3.2.12. Cleaning and check of a head of cylinders and details of the klapanny mechanism
      3.2.13. Repair of valves
      3.2.14. Assembly of a head of the block of cylinders
      3.2.15. Removal of pistons and rods
      3.2.16. Crankshaft dismantle
      3.2.17. Intermediate shaft (only M20 engine)
      3.2.18. Cleaning of the block of cylinders
      3.2.19. Check of a condition of the block of cylinders
      3.2.20. Honningovaniye of cylinders
      3.2.21. Check of a condition of pistons and rods
      3.2.22. Check of a condition of the crankshaft
      3.2.23. Check of radical and shatunny bearings
      3.2.24. Engine assembly order
      3.2.25. Installation of piston rings
      3.2.26. Installation of an intermediate shaft
      3.2.27. Installation of the crankshaft and check of gaps in radical bearings
      3.2.28. Installation of a back epiploon
      3.2.29. Installation of rods and pistons, check of gaps in shatunny bearings
      3.2.30. Engine start-up after repair and a running in
   + 3.3. Engine 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. Good advice


3.2.30. Engine start-up after repair and a running in

1. After the completion of assembly check level of oil and cooling liquid twice.
2. At the turned-out candles and the disconnected system of ignition turn the crankshaft till registration of pressure of oil by the sensor.
3. Screw candles, dress tips of high-voltage wires and connect ignition system.
4. Start the engine. The engine should be started immediately, later the short period necessary for increase of pressure of fuel.


If at the first start-up of the engine through a butterfly valve return flashes are observed, check installation of ignition and correctness of assembly of the gas-distributing mechanism.

5. Warm up the engine, watching closely emergence of leaks of oil or cooling liquid.
6. Stop the engine and check levels of oil and cooling liquid.
7. Disperse the car from speed of 50 km/h to 90 km/h, release a butterfly valve pedal, having braked the car the engine till speed of 50 km/h. Cycle a loop 10–12 times. Thus occurs extra earnings of piston rings to walls of cylinders. Once again check oil and liquid levels.
8. Make a trip on 800 km, without subjecting the engine to big loadings (move on low speed, periodically checking oil level). In a running in the raised consumption of oil is possible.
9. After run of 900-1100 km replace oil and the oil filter.
10. At run of the subsequent several hundred kilometers conduct the car in a normal mode, avoiding too big and too small loadings.

11. After 3300 km of run again replace oil and the oil filter then the engine is considered passed a running in.