Using
spark
plug wrench
BMW
12
3 500,
remove the
spark plugs.
Note:
Be carelul
to unscrew the plugs without
tilting the
wrench
or else there
is
a danger
01
breaking
the ceramic insulator.
1
• • •
1
Screw the
dial
gauge extension, BMW 00 2 580, with
dial
gauge
in cylinder
3.
reuel
Screw
the
dial
gauge
extension,
BMW 00
2 580, with dial
gauge in cylinder 1.
Turn the crankshaft and
use
the dial gauge
to determine
top
dead
centre.
B.B7
12-13.0