BMW 3 (E46). Manual — part 133
stands beneath a structural chassis
point. Do not place jack stands
under suspension parts.
-
Remove splash shield under
engine compartment.
-
Remove front end reinforcement.
See
Front End Reinforcement
earlier in this group.
On cars equipped with xenon
headlights: Remove front ride level
sensor mounting fastener (arrow) and
lay sensor aside.
Remove right front control arm bracket
bolts (arrows) from frame rail.
-
Repeat for left side.
Remove right inner control arm ball
joint mounting nut (arrow) at
subframe.
Drive ball joint shaft out of
subframe using soft hammer.
Push control arm aside.
Repeat for left side.
Remove steering rack mounting bolts
(arrows) at front of subframe. Suspend
rack out of the way with stiff wire.
Remove right lower engine mount
fastener (arrow).
-
Repeat on left side
Support suspension subframe from
below using appropriate jacking
equipment. Remove subframe
mounting bolts (arrows). Remove
subframe.
Note:
Right side is shown in photo. Left is
similar.
Installation is reverse of removal, noting
the following:
Make sure all bolts, bolt holes,
and mating surfaces are clean to
ensure proper tightening and
alignment. Use new self-locking
nuts or bolts, where applicable.
Lower engine onto engine mounts,
allowing it to settle fully before
tightening engine mount bolts.
When the job is completed, have
front end professionally aligned.
1 - Front subframe
2 - inner ball joint nut -tighten to 90
Nm (66 ft-lb)
3 - Subframe mounting bolt (See
torque table.)
4 - Control arm
Tightening torques
Control arm ball
joint to subframe
M14 self-locking
nut (always
replace)
90 Nm (66 ft-lb)
Control arm
bushing carrier to
body M10 bolt
(always replace)
59 Nm (43 ft-lb)
Front end reinforcement to front
subframe or body frame rails: M10
bolt (always replace)
Stage 1
59 Nm (43 ft-lb)
Stage 2
torque angle 90°
+ 30°
Steering rack to
subframe (M10
bolt)
42 Nm (31 ft-lb)
Subframe to body
M12-8.8 bolts
77 Nm (57 ft-lb)
Tightening torques
M12-10.9 bolts
110 Nm (81
ft-lb)
M12-12.9 bolts
105 Nm (77
ft-lb)
Front subframe, removing and
installing (all wheel drive
models)
Using engine support equipment, raise
engine until weight of engine is
supported.
-
Raise car and remove front
wheels.
WARNING!
Make sure that the car is firmly
supported on jack stands designed
for the purpose. Place the jack
stands beneath a structural chassis
point. Do not place jack stands
under suspension parts.
-
Remove splash shield under
engine compartment.
On cars equipped with xenon
headlights: Remove front ride level
sensor mounting fastener (arrow) and
lay sensor aside.
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