REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
12 1 171
12 1 200.
Necessary preliminary tasks:
Switch off ignition
Remove ignition coils.
Unscrew spark
SEE MORE:
WARNING: US/CDN front passenger seat (with OC3 mat) only:
The padding can only be removed in conjunction with the OC3 mat.
If padding is defective, both parts may only be replaced together. After fitting
new padding, enable OC3 mat with BMW diagnosis system.
The operation for removing the padding
Principle
ECO PRO supports a driving style that saves on
consumption. For this purpose, the engine control
and comfort features, for instance the climate
control output, are adjusted.
Steptronic transmission: under certain conditions
the engine is automatically decoupled from the
transmission in th