BMW 1989-1995 525i Service Manual page 295

STEERING AND WHEEL ALIGNMENT
320-7
WARNING -
Make sure the car is firmly supported on jack stands
designed for the purpose. Place the jack stands be-
neath
a
structural chassis polm. Do not place jack
stands under suspension parts.
2. Remove the center tie rod self-locking nut at the idler
arm. Then using a press (BMW special tool no. 32 2
040 or equivalent). remove the tie rod end from the idler
arm. See Fig. 8.
Fig. 6. Idler arm-to -center tie rod sell-locking nut rarrowt.
3. Remove the idler arm mounting bolt and remove the
arm from the car.
4. If replacing the idler arm bushing. press it out using a
press (use BMW special tool nos. 32 1 050 and 32 2
032 or equivalent press fittings). Be sure to press the
new bushing in from the direction shown in Fig. 7.
5. Installation is the reverse of removal. Make sure all
thread bores. bolts. nuts. and mating surfaces are
clean. Use new self-locking nuts to mount the idler arm
to the subframe crossmember and the center tie rod to
the idler arm. Have the car professionally aligned.
Tighteni ng Torques
• Idler arm to subframe crossmembe r
M10 bolt __ . . _. _. _. . _. __ . . .. 42 Nm (32 ft-Ib)
M12 bolt 85 Nm (63 ft-Ib)
• Center tie rod to idler arm 37 Nm (28 It-Ib)
To remove and install outer tie rods
1. Raise the front of the car.
WARNING -
Make sure the car is firmly supported on jack stands
designed for the purpose. Place the jack stands be-
neath
a
structural chass is point. Do not place jack
stands under suspension parts.
2.
If replacing the
tie rod or tie rod ends. measure the
overall length of the complete installed tie rod assem-
bly. Record the measurement.
NOTE -
Accurate measuring 01 the tie rod assembly will help to
approximate wheel alignment when new parts are in-
stalled.
3. Remove the tie rod end ball joint nuts and press the tie
rod ball joints off using a press (BMW special tool no.
32 2 050 or equivalent).
4. Installation is the reverse of removal. Make sure all
thread bores. bolts. nuts. and mating surfaces are
clean. Use new self-locking nuts on both tie rod end
ball joints. Have the car professionally aligned.
Tightening Torque
• lie rod end to steering arm
or center tie rod 37 Nm (28 fH b)
To replace tie rod ends
1. Raise the car and press off the tie rod end ball joint as
described above.
2. Make a reference measurement of the tie rod end to
the tie rod. Record the measurement.
NOTE -
Accurate measuring of the lie rod end in relerence 10
the tie rod will help to approximate wheel alIgnment
when new parts are installed.
3. Loosen the tie rod end clamping bolt and thread out the
tie rod end. Count the number of turns as the end is re-
moved.
4. Installation is the reverse of removal. Make sure all
threaded parts are clean. Use new self-locking nuts on
the tie rod end and the tie rod clamping bolt. Have the
car professionally aligned.
STEERING GEAR AND LINKAGE