M54 有兩種 考耳嗎?

[Boxy]

INFO FROM ANOTHER FORUM:
Service Bullition 12 13 05
E46 with M54/M56 from 09/02 up to 12/04
E39 with M54 from 09/02 up to 07/03
E53 (X5) with M54 from 09/02 up to 12/04
E65/E66 with N62/N73 from 09/01 up to 12/04
E85 (Z4) with M54 from 09/02 up to 12/04
E83 (X3) with M54 from 09/03 up to 12/04
Internal insulation failure of BREMI ignition coils may cause reduced ignition firing power, or ignition coils failure. The customer may complain of erratic engine performance and the "Service Engine Soon" light illumination.