BMW 3 (E46). Manual — part 107
Tightening torques
(tubular style)
42 Nm (31 ft-lb)
(pan style)
59 Nm (44 ft-lb)
+ 90°
Rubber mount to
transmission or
bracket nut (M8)
21 Nm (15 ft-lb)
Slave cylinder to
transmission
22 Nm (16 ft-lb)
Transmission crossmember to
chassis
M8
21 Nm (15 ft-lb)
Transmission to engine (Torx-head)
M8
22 Nm (16 ft-lb)
M10
43 Nm (32 ft-lb)
M12
72 Nm (53 ft-lb)
Transmission
drain/fill plug
50 Nm (37 ft-lb)
240-1
General
This section covers maintenance and
replacement of the E46 automatic
transmission. Internal repairs to the
automatic transmission are not
covered. Special tools and procedures
are required to disassemble and
service internal automatic transmission
components.
Automatic transmissions are identified
by code letters found on a data plate
located on the side or rear of the
transmission case. See
200
Transmission–General
for application
information. For gear ratio
specifications, see
Table a.
Automatic transmission applications
.
CAUTION!
ATF does not circulate unless the
engine is running. When towing an
automatic transmission vehicle, use
a flat-bed truck or raise the rear
wheels off the ground. All wheel
drive vehicles equipped with
automatic transmissions must be
towed using a flat-bed truck only.
The electronic transmission control
module (TCM) monitors transmission
operation for faults and alerts the driver
by illuminating the transmission fault
indicator on the instrument panel.
On-board diagnostic codes stored in
the TCM must be downloaded and
interpreted by trained technicians using
special BMW diagnostic equipment.
Special tools
Some special tools are required for the
removal and installation of an
automatic transmission on the E46
BMW models. While these tools are not
absolutely necessary, they are
especially helpful when dealing with
the removal and replacement of the
torque converter.
Engine support bracket BMW 00 0 200
/ 208
Oil pan support bracket BMW 11 8 022
Torque converter socket BMW 24 1 100
Spline bore alignment tool BMW 24 2
300
Torque converter clamp BMW 24 4 131
/ 135
Internal repairs to the automatic
transmission require special service
equipment and knowledge. If it is
determined that internal service is
required, consult an authorized BMW
dealer about a factory reconditioned
unit or a transmission rebuild.
323i/Ci and 328i/Ci models
manufactured from 08/98 to 03/00 are
equipped with the A5S 360R automatic
transmission. Vehicles produced after
03/00 are equipped with the A5S 325Z
transmission.
Table a. Automatic transmission applications
Model
Year
Engine
Transmission
323i/Ci
328i/Ci
1999 - 2000
2000 - 2001
M52TU
GM A5S 360R
ZF A5S 325 Z
325i/Ci
330i/Ci
2000 - 2001
M54
ZF A5S 325 Z
325xi
330xi
2000 - 2001
M54
GM A5S 390R
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