Operation CHARM: Car repair manuals for everyone.

Emission Control Systems: Application and ID





Application Chart

Footnotes:

X - Equipped

- Not Equipped

5 - One O2S.

6 - Type, TWC; number of catalytic converters, 1.

8 - 6 to 14 degrees BTDC at 700 RPM. Electronically controlled, no adjustment.

9 - 4 to 12 degrees BTDC at 700 RPM. Electronically controlled, no adjustment.

11 - 318i models.

12 - 13 degrees BTDC at 750 to 850 RPM. Electronically controlled, no adjustment.

13 - TDC @ 750 to 850 RPM. Electronically controlled, no adjustment.

14 - Electronically controlled, no adjustment.

15 - 1 degree BTDC 840 to 920 RPM. Electronically controlled, no adjustment.

18 - 11 degrees BTDC at 850 RPM. Electronically controlled, no adjustment.

19 - Back-pressure EGR.

21 - Electronically controlled EGR.

22 - Type, TWC; number of catalytic converters, 2.

23 - On models which experience a surge condition, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

24 - On models which experience rough idle, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

25 - On models which experience engine run-on or rough idle, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

26 - On models which experience rough engine idle & possible fault code 10, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

27 - For additional information on exhaust emission testing for models equipped W/ZF-4 automatic transmission, refer to Technical Service Bulletins.

28 - On models which experience engine run-on or rough idle, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

29 - On models which experience dieseling & possible rough idle, a service modification can be performed.

30 - On models which experience long crank times, a service modification can be performed.

32 - DME.

34 - O2S/Ignition Control Unit.

35 - DI/Electronic Breakerless.

36 - EI/Direct Ignition System.

37 - Dynamic injection pump timing, 2 - 5 degrees BTDC @ idle; 3.5 - 6.5 degrees BTDC @ 1500 RPM.

39 - On certain 750iL models, installation of revised fuel pump relay may be required.

40 - On certain 75OiL models, DME relay may energize at different times.

41 - On certain 750iL models, distributor rotor adapter replacement may be required.

42 - On certain 318 models, installation of revised fuel fuel injectors may be required.

43 - On certain 318 California models, replacement of catalytic converter may be required.

46 - Pump type.

47 - ML-Motronic.

48 - HFM-Motronic.

49 - MH-Motronic