ENGINE - BMW DIESEL

ENGINE TUNING DATA

3

INFORMATION

ENGINE - BMW DIESEL

ENGINE

Type

2.5 Litre turbocharged diesel, indirect injection engine

.................................................................................

with intercooler

Firing order

1-5-3-6-2-4

.......................................................................

Injection timing at TDC, No.1 cylinder

0.95

±

0.02 mm lift

..............................

0.04

±

0.0008 in lift

Timing marks:

Valve timing

Slot for pin in flywheel

.............................................................

Injection timing

Dial gauge inserted into pump

...............................................................

Maximum governed speeds:

Full load (speed cut-off starts)

4400 rev/min

.................................

No load (flight speed)

4950

±

150 rev/min

..............................................

Idle speed

750

±

50 rev/min

...............................................................

INJECTION PUMP

Make/type:
Digital Diesel Electronic Control - DDE

Bosch rotary R515 type with electronic control of fuel

............................

and timing. Constant pressure delivery valves.

Direction of rotation

Clockwise, viewed from drive end

..........................................................

INJECTORS

Make/type

Standard

Bosch KCA 21 S 71

.................................................................

Nozzle type

DN O SD 300

......................................................................

Opening (injection) pressure

Minimum pressure

140 bar

...................................................

2030 lbf/in

2

Maximum pressure

160 bar

..................................................

2320 lbf/in

2

Maximum pressure deviation

10 bar

..................................

145 lbf/in

2

Needle lift sensor in no.4 injector

Bosch KCA 21 S 76

.....................................

HEATER PLUGS

Make/type

Beru, probe type, 12 volts

........................................................................

Temperature after 5 seconds of operation

800

°

C

.......................

Resistance at 20

°

C

0.4 - 0.6 Ohms

.........................................................

TURBOCHARGER

Make/type

Mitsubishi/TD04 - 11G4

........................................................................