3 Series E91 330xi (N52) TOUR
12 51 100
Replacing wiring harness section for ignition
coil (N52)
Important!
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of
electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts
exclusively.
Aluminium screws/bolts must be replaced each time they are
released.
The end faces of aluminium screws/bolts are painted blue for
the purposes of reliable identification.
Jointing torque and angle of rotation must be observed
without fail (risk of damage).
Important!
Read and comply with notes on protection against
electrostatic damage (ESD protection).
Necessary preliminary tasks:
•
Read out fault memory of DME control unit
•
Switch off ignition
•
Follow instructions for disconnecting and connecting battery
Disconnect battery negative lead from battery and lay to one
side
•
Remove lower section of microfilter housing
•
Remove acoustic cover
•
Remove cylinder head cover
RA Replacing wiring harness section for ignition coil (N52)
BMW AG - TIS
21.02.2013 00:47
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
