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121-16
Battery, Starter, Alternator
- installation is reverse of removal.
Tightening torques Belt tensloner to engine block
M8 (8.8 grade) 22
Nm (16 ft-ib)
Fan clutch to coolant pump
with BMW special tool 11
5 040 30 Nm (22
ft-lb)
without BMW special tool
11 5 040 40 Nm
(29 ft-ib)
Pulley to alternator 70
Nm (44 ft-lb)
Terminal 30
(B+) wire to alternator (M8) 13 Nm (10 ft-ib)
Alternator, removing and installing
(M62 engine, air cooled)
A replacement alternator should have the same rating as the
original. Alternator manufacturer and ampere rating are nor-
mally
marked on the alternator housing.
- Disconnect negative (-) battery cable.
CAUTION-
Prior to disconnecting the battery, read the battery discon-
nection cautions
001 General Warnings and Cautions.
- Remove cooling fan and alternator drive belt. See 020 Main-
tenance.
- Pry out trim caps and remove fasteners from plastic cover on
left head. Lift off cover.
Disconnect positive
(+) lead from jump start post (arrow).
Raise car and support in a safe manner.
WARNING-
Make sure the car is stable and well supported at aN times.
Use a professional automotive lift
orjack stands designed for
the purpose.
A floorjack is not adequate support.
