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B305_240.fm
240-2 A UTOMATIC T RANSMISSION
Table a. Automatic transmission applications
Model
Year
Transmission
323i/Ci
1999 - 2000
A5S360R (up to 03/00)
A5S325Z (from 03/00)
325i (M54)
2001 - 2005
A5S325Z (up to 03/02)
A5S390R (from 03/02)
325i (M56)
2003 - 2005
A5S325Z
325Ci
2001 - 2005
A5S325Z (up to 03/03)
A5S390R (from 03/03)
328i/Ci
1999 - 2000
A5S360R
330i/Ci
2001 - 2005
A5S325Z (up to 03/03)
A5S390R (from 03/03)
325xi
330xi
2001 - 2005
A5S390R
0021333
T RANSMISSION S ERVICE
½ The automatic transmissions installed in the 3 Series are
filled with a number of different transmission fluids. Each
transmission should have a colored label on the ATF sump
identifying the fluid type installed..
ATF fluid type labels
• Orange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dexron III
• Yellow . . . . . . . . . . . . . . . . . . . . . . . . . Texaco ETL 7045E
(BMW p/n 83 22 0 026 922)
• Green . . . . . . . . . . . . . . . . . . . . . . . . . Texaco ETL 8072B
(BMW p/n 83 22 0 024 359)
• Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Esso 71141 LT
(BMW p/n 83 2 29 407 807)
CAUTION —
• Only re-fill or top off using ATF fluid specified for the transmis-
sion. Mixing or adding incorrect ATF fluids will lead to trans-
mission damage.
• ATF specifications are subject to change and fluids are con-
stantly being improved and updated. Always check with an au-
thorized BMW dealer parts department for the latest
transmission operating fluids information.
Automatic transmission fluid (ATF)
level, checking
The automatic transmission is not equipped with a dipstick.
Checking the ATF level requires measuring and maintaining
the ATF temperature within a narrow range (approx. 100° F)
with the engine running and the vehicle raised safely in air.
Raise and safely support vehicle to access ATF fill plug. The
vehicle must be level and unloaded.
CAUTION —
Make sure the car is stable and well supported at all times.
Use a professional automotive lift or jack stands designed for
the purpose. A floor jack is not adequate support.
TRANSMISSION SERVICE
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A UTOMATIC T RANSMISSION 240-3
Warm up drivetrain by running engine until ATF reaches
specified temperature. Switch on air conditioning to in-
crease idle speed and to ensure all fluid passages in trans-
mission are filled.
ATF level checking
• Fluid temperature . . . . . . . . . . . . 30° - 50°C (85° - 120°F)
Apply parking brake firmly and step on brake pedal. Shift
through all gears several times, pausing briefly between
gear changes.
½ With engine running and selector lever in Park, remove ATF
filler plug ( arrow ).
• If a small stream of fluid runs out, fluid level is correct.
• If no oil fluid out, fluid level is too low. Add oil until it fluid
starts to overflow.
WARNING —
Hot ATF can scald. Wear eye protection and protective clothing
and gloves during the check. If the transmission was overfilled,
hot ATF will spill from the filler hole when the fill plug is removed.
Reinstall fill plug using new sealing ring.
Tightening torques
• ATF drain plug to ATF sump
A5S 360R / A5S 390R(M14). . . . . . . . . . 20 Nm (15 ft-lb)
A5S 325Z . . . . . . . . . . . . . . . . . . . . . . . . 35 Nm (26 ft-lb)
• ATF fill plug to transmission
A5S 360R / A5S 390R(M14). . . . . . . . . . 20 Nm (15 ft-lb)
A5S 325Z . . . . . . . . . . . . . . . . . . . . . . . . 30 Nm (22 ft-lb)
ATF, draining and filling
The procedure given here includes removal and installation
of the ATF fluid strainer (filter).
½ Remove ATF drain plug ( arrow) and drain fluid into clean
measuring container. Record quantity of fluid drained.
WARNING —
The ATF must not be hot when draining. Do not drain the ATF if
the engine and/or transmission is hot. Hot ATF can scald. Wear
eye protection, protective clothing and gloves.
Remove transmission pan mounting bolts and remove pan.
Remove pan gasket and clean gasket sealing surface.
TRANSMISSION SERVICE
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240-4 A UTOMATIC T RANSMISSION
ZF transmission (A5S 325Z) : Remove ATF fluid strainer
mounting bolts and remove strainer from transmission valve
body.
B305240001
GM transmissions (A5S 360R / A5S 390R) : Pull ATF fluid
strainer from transmission pump housing. If strainer sealing
ring remains in pump housing remove using a seal puller.
Installation is reverse of removal.
• Always replace seal for drain plug and all gasket(s) and
O-rings.
• Clean sump and sump magnet(s) using a lint-free cloth.
• Tighten transmission pan bolts in sequential order.
• Fill transmission with approved fluid. Add quantity of fluid
drained and then check fluid level as described under ATF
level, checking
CAUTION —
Only re-fill or top off using ATF fluid specified for the transmission.
Mixing or swapping ATF fluids will lead to transmission damage.
NOTE —
Use new sump bolts purchased from BMW. Alternatively, clean old
bolts and coat with Loctite ® thread locking compound or equivalent.
Automatic transmission fluid capacity
• A5S 360R / A5S 390R
with torque converter . . . . . . . . . . . . . . . . 9 liters (9.5 qt)
without torque converter . . . . . . . . . . . . . . 4 liters (4.2 qt)
• A5S 325Z (2.5 liter)
with torque converter . . . . . . . . . . . . . . . 8.9 liters (9.4 qt)
without torque converter . . . . . . . . . . . . . 6.2 liters (6.5 qt)
• A5S 325Z (3.0 liter)
with torque converter . . . . . . . . . . . . . . . . 8.7 liter (9.2 qt)
without torque converter . . . . . . . . . . . . . . 6.1 liter (6.4 qt)
Tightening torques
• ATF drain plug to ATF sump
A5S 360R / A5S 390R(M14). . . . . . . . . . 18 Nm (14 ft-lb)
A5S 325Z . . . . . . . . . . . . . . . . . . . . . . . . 35 Nm (26 ft-lb)
• ATF fill plug to ATF sump
A5S 360R / A5S 390R (M14) . . . . . . . . . 18 Nm (14 ft-lb)
A5S 325Z . . . . . . . . . . . . . . . . . . . . . . . . 30 Nm (23 ft-lb))
• ATF sump to transmission
A5S 360R / A5S 390R (M14). . . . . . . . . . 10 Nm (7 ft-lb)
A5S 325Z . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Nm (4 ft-lb)
TRANSMISSION SERVICE
NOTE —
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