General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
IMPORTANT:
Disconnecting the vehicle battery will cancel the fault memories
of control
units. Consequently, before disconnecting the car's battery, always
interrogate the fault memories. Invest
FIRING ORDER
Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
12 1 171
12 1 172
Necessary preliminary tasks:
Switch off ignition
Remove all IGNITION CO
Special tools required:
12 1 080
12 1 081
12 1 083
Spare parts for in-car electronics (housing and contacts):
Crimping butt connectors and contact sleeves for fan connectors up to
2.5 mm2
Crimping butt connectors and contact sleeves for fan connectors from
2.5 mm2
Crimping contact sleev
The N52KP and N51 engine continue to use the conventional "manifold
injection" system carried over from the N52. The fuel supply components are also
carried over with regard to the EKP module, fuel pump etc.
Fig. 50: Identifying Fuel Supply System
N54 Engine
The N54 engine uses the new High Preci