2001 BMW 540i transmission

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Steering and Wheel Alignment
4 Release lock (A) and pull up on harness connector (6) to dis-
connect ignition switch harness.
. Remove wire harness bracket fastener (C).
4 Remove shear bolts (arrows) using a chisel or punch.
NOTE-
The shear bolts can be drilled and then removed using an
easy-out.
- Remove steering column lock housing.
- Installation is reverse of removal.
Tighten new shear bolts until bolt heads shear off.
ignition interlock cable, removing and
installing (models
with automatic
transmission)
- Remove steering column trim panels as described earlier.
4 Loosen and disconnect interlock cable (arrow) from ignition
lock assembly.
- Remove center console trim panel.

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320-1 4
Steering and Wheel Alignment
Remove cable mounting fastener (arrow). Disconnect cable
from shift
linkage.
Remove old cable and replace with new cable.
Reinstall trim.
Interlock cable, adjusting
(models with automatic transmission)
- Remove center console trim panel.
- Place gear shift selector lever in PARK.
4 Loosen cable mounting fastener (A).
- Remove ignition key.
- Press down on interlock lever (B) and tighten cable mounting
fastener (A).
Steering column, removing and installing
- Disconnect negative cable from battery.
CAUTIOI\C
Prior to disconnecting the battea read the battery discon-
nection cautions given
in 001 General Cautions and
Warninqs.
- Remove steering wheel as described earlier.
m
- Remove steering column trim panels as described earlier.
' \L/>I - Remove steerinq shaft collar
Automatic transmission models: Loosen and disconnect in-
terlock shift cable (arrow) from ignition lock assembly.
4 - Disconnect steering angle sensor electrical harness.

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330-1 1
Rear Suspension
Coil spring, removing and installing
Raise car and remove rear wheels.
WARNING-
Make sure the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands underneath struc-
tural chassis points. Do not place jack stands under
suspension parts.
- Remove brake caliper and brake disc. Hang brake caliper
aside with stiff wire. Do not disconnect
bralte fluid hose. See
340 Brakes.
- Remove exhaust system. See 180 Exhaust System.
- Disconnect driveshafl from final drive. See 260 Driveshaft.
- Detach parking bralte cables from mounting bracltets on sub-
frame.
< Support final drive unit from below using transmission jack
and
BMW special tool 33 4 390 or equivalent.
Remove rear suspension
subframe mounting bolts (arrows).
Lower rear
subframe until coil springs can be removed.
When reinstalling springs, replace upper and lower spring
pads if necessary.
Slowly lift suspension
back into position, making sure coil
springs are correctly seated in upper and lower spring seats.
Install and tighten
subframe mounting bolts. Note that on
each bolt, rubber-coated detent plate (arrow) must be in-
stalled at rear in driving direction
- Remainder of installation is reverse of removal
Tightening torques Road wheel
to hub 12OilO Nm (89i-7 ft-lb)
Subframe to body 163 Nm (120 ft-lb)

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330-27
Rear ~uspensionl
- If equipped, remove ride height sensor connectors.
Support final drive unit from below using transmission jack
(BMW special tools 00
2 030 and 33 4 390 or equivalent).
NOTE-
Special tool 33 4 390 will need modifications to cradle the ii-
nal drive properly.
4 Remove right and left suspension trim panels (arrow)
4 Remove right and left lower strut mount bolts (arrow)
Remove rear suspension
subframe by removing 4 mounting
bolts (arrows).
Carefully lower rear suspension
subframe away from body to
remove.

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Rear Suspension
- Remove exhaust system. See 180 Exhaust System.
- Detach driveshaft from differential. See 260 Driveshaft.
- Remove brake caliper and brake disc. Hang brake caliper
aside with stiff wire. Do not disconnect brake fluid hose. See
340 Brakes.
- Remove left and right ABS sensors from wheel bearing car-
riers.
Disconnect parking brake cable from brake shoe expander.
See 340 Brakes.
Remove heat shield from above driveshaft
If equipped, remove ride height sensor connectors
CAUTION-
Models with air springs: Disable air supply pump by discon-
necting electrical plug before performing any repairs. Pump is
locatedbeneath a coverunder
thespare tire in the floorof the
carqo compartment.
Models with air springs: Loosen compressed air pipes (ar-
rows) at air distribution assembly to release system pres-
sure.
WARNING -
Vehicle will lower when the air pipes are opened. 1
- Working underneath rear suspension, lift wheel bearing car-
rier to relieve rear spring tension. Then unbolt air spring
mounting bolt from seat on wheel bearing carrier.
4 Support final drive unit from below using transmission jack
(BMW special tools 00 2 030 and 33 4 390 or equivalent).
NOTE-
Special tool 33 4 390 will need modifications to cradle the fi-
nal drive properly
4 Remove right and left suspension trim panels (arrow),

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513-3
Interior ~rirnl
The console between the two front seats starts behind the shifler housing. It houses the parking brake handle, optional
telephone and oddments storage tray. The rear portion of the
console houses the ashtray and covers the emergency brake
cable ends.
NOTE-
The accompanying photos illustrate a model with automatic
transmission. Manual transmission models are similar.
Center console, removing and installing
4 Remove shift knob by pulling straight up (arrow).
Gently pry shift bezel
harness (arrow). up
out of console and disconnect wiring
Models equipped with automatic transmission remove neu-
tral safety switch fasteners (arrows) and remove bezel with
switch.

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Central Locking and Anii-Theft
- If the starter engages, the following EWS inputs are function-
ing normally:
Ignition key
Code function
Transmission range switch or clutch position switch
Engine speed sensor
NO JE -
If a vehicle key is lost or stolen, the electronic authorization
for that key
can be cancelled using the BMW scan and di-
agnostic tools
DISplus, GTl or MoDiC.
Force applied to a ley can damage the electronic circuitry
in the key A damaged ley will not start the engine. In that
case, a new key should be purchased and initialized
by an
authorized BMW dealer.
EWS variations
EWS variations used in E39 cars are shown in E39 EWS ap-
plications
table below.
E39
EWS applications
I I Ifling antenna (surrounds ignition switch) I
System
designation
EWS
II
I I l~ransmitter I receiver module located in right side steering column cover I
E39 production
dates
SOP
- 311 997
I I IEWS 111 (3.2) control module incorporates transmitter1 receiver moduie functions /
Main components, changes, improvements
Key with EEPROM transponder
Control moduie located behind glove compartment, in electrical component panel
Control module located to left of steering column, under dashboard
K-Bus input
Transmitter
I receiver module eliminated
EWS 111 (3.2)
Transmission range selection input from automatic transmission control module
3
11997 - 911997
- EWS ill (3.3) Clutch
Hall-effect switch (replaces transmission range switch input)
911997 - 2002 EWS 111 (3.3) control
module with iSN code burned in (cannot be overwritten during
alignment)
Control module located to left of steering column, under dashboard

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l Seats
This repair group covers removal and installation of the front
and rear seat.
SeatIMirrorlSteering Column Memory
< The basic features of seaffmirrorlsteering column operation,
including memory positions are integrated into the
ZKE Ill
system. Driver adjustment positions can be memorized and
stored for three different
users.The seat control module is in-
tegral with the seat and mirror switches. The seat control
module stores seat memory position via the "ripple" counter
module.
NOTE-
Passenger seat on sedan models uses a simple control cir-
cuit and do not include a memory module or on-board diag-
nostics.
Seat memory position, setting
With the transmission range selector in "P and the mirror
change over switched in the left position, switch the ignition
on and press the
"M" on the memory switch.
Press one of the three position switches
(1, 2 or 3) within
the
7 second memory period (memory indicator lamp will
illuminate for
7 seconds)
- The current positions of the mirrors, seat and steering col-
umn will now be stored in memory.
NOTE- Seat memory is held in an
EEPROM in the seat module and
is stored in memory before the
ZKE goes into its sleep mode.
If the battery is disconnected before the 16 minute sleep
mode activation, seat memorypositions are lost and repro-
gramming is required.
< Power seat controls.
A -Seat tilt
B - Longitudinal adjustment
C - Cushion height
D - Head restraint height
E - Back rest angle