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
As far as the air management system on the N52KP and N51 engines is
concerned, the previous intake manifold
system on the N52 is carried over. Depending upon application, the engines will
use the 3-stage DISA or the
single stage (No DISA) intake manifold.
For more information on the DISA system r
Observe gap dimensions.
CAUTION: Do not damage adjoining body parts.
Necessary preliminary tasks:
Remove front bumper trim.
Remove wheel arch cover at front.
Remove trim for cover on side member.
Remove trim on wheel arch.
Remove gutter strip.
Fig. 180: Identifying Front Side Panel Bolts