BMW 318/325/M3/525/535/M5 1989-1993 Repair Information

Struts

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REMOVAL & INSTALLATION



E30 3 Series
2 WHEEL DRIVE
  1. Disconnect the negative battery cable.
  2.  
  3. Raise and safely support the vehicle. Remove the tire and wheel assembly.
  4.  
  5. Disconnect the brake pad wear indicator plug and ground wire. Pull the wires out of the holder on the strut. Remove the ABS pulse sender, if equipped.
  6.  
  7. Unbolt the caliper and pull it away from the strut, suspending it with a piece of wire from the body. Do not disconnect the brake line.
  8.  
  9. Remove the attaching nut and then detach the push rod on the stabilizer bar at the strut.
  10.  
  11. Unscrew the attaching nut and press off the ball joint stud with the proper tool.
  12.  
  13. Unscrew the nut and press off the tie rod joint.
  14.  

Do not turn the steering rack to full lock or damage to the seals can occur.

  1. Press the bottom of the strut outward and push it over the ball joint stud. Support the bottom of the strut.
  2.  
  3. Unscrew the nuts at the top of the strut, from inside the engine compartment, then remove the strut.
  4.  

To install:
  1. Install the strut into the wheel housing and install the nuts. Press down on the control arm and install the ball joint stud into the strut bore. Using new nuts, torque the ball joint to 61 ft. lbs. (85 Nm) and the top strut mounting nuts to 16-17 ft. lbs. (21-23 Nm).
  2.  
  3. Install the tie rod into the steering arm and torque the new nut to 26 ft. lbs. (37 Nm).
  4.  
  5. Install the stabilizer bar link and torque to 43 ft. lbs. (59 Nm).
  6.  
  7. Install the brake caliper and torque to 80 ft. lbs. (110 Nm).
  8.  
  9. Install the ABS sensor, the brake pad wear sensor and the brake hose. Connect the negative battery terminal. Have the alignment checked.
  10.  

4 WHEEL DRIVE
  1. Disconnect the negative battery cable.
  2.  
  3. Raise and safely support the vehicle. Remove the front tire and wheel assembly. Unplug the ABS pulse transmitter.
  4.  
  5. Lift out the lock plate at the center of the brake disc with a small prybar. Unscrew the collar nut.
  6.  
  7. Disconnect the brake pad wear indicator plug and the ground wire. Pull the wires and brake hose out of the clip on the spring strut. Then, disconnect the small rod at the strut.
  8.  
  9. Remove the brake caliper mounting bolts and support the assembly with a piece of wire, keeping stress off the brake hose.
  10.  
  11. Remove the attaching nut from the tie rod end. Then press the stud off the knuckle with the proper tool.
  12.  

Do not turn the steering rack to full lock or damage to the seals can occur.

  1. Remove the attaching nut for ball joint and then press the stud off the knuckle with an appropriate tool.
  2.  
  3. Press the output shaft out of the center of the knuckle.
  4.  
  5. Support the spring strut from underneath. Remove the 3 bolts from the upper mount at the wheel housing. Remove the strut.
  6.  

To install:
  1. Install the strut into the wheel housing and install the nuts. Press down on the control arm and install the ball joint stud into the strut bore. Using new nuts, torque the ball joint to 61 ft. lbs. (85 Nm) and the top strut mounting nuts to 16-17 ft. lbs. (21-23 Nm).
  2.  
  3. Pull the axle through the bearing. Install a new nut and torque to 180 ft. lbs. (250 Nm). Install a new lockplate.
  4.  
  5. Install the tie rod into the steering arm and torque the new nut to 26 ft. lbs. (37 Nm).
  6.  
  7. Install the stabilizer bar link and torque to 43 ft. lbs. (59 Nm).
  8.  
  9. Install the brake caliper and torque to 80 ft. lbs. (110 Nm).
  10.  
  11. Install the ABS sensor, the brake pad wear sensor and the brake hose. Connect the negative battery terminal. Have the alignment checked.
  12.  

E36 3 Series
  1. Remove the wheel assembly. Disconnect the brake line and the wires from the holders on the strut, but do not disconnect from the caliper.
  2.  
  3. Install a lug bolt into the hub and attach a piece of wire to the bolt and to the body. This will support the hub assembly once it is removed from the strut.
  4.  
  5. Disconnect the stabilizer bar link from the strut. Remove the 3 bolts holding the hub assembly to the strut.
  6.  
  7. Remove the 3 nuts at the top of the strut assembly and remove the strut from the vehicle.
  8.  

To install:
  1. Install the strut to the vehicle and torque the new mounting nuts to 16-17 ft. lbs. (21-23 Nm).
  2.  
  3. Clean the threaded holes in the hub. Install new micro-encapsulated hub mounting bolts to the strut and torque to 58 ft. lbs. (80 Nm).
  4.  
  5. Install the stabilizer bar link and torque to 43 ft. lbs. (59 Nm).
  6.  
  7. Install the brake hose and wires into the holders. Have the alignment checked.
  8.  

E34 5 Series
  1. Disconnect the negative battery cable.
  2.  
  3. Raise and safely support the vehicle. Remove the tire and wheel assembly.
  4.  
  5. Disconnect the brake pad wear indicator plug and ground wire. Pull the wires out of the holder on the strut. Remove the ABS pulse sender, if equipped.
  6.  
  7. Unbolt the caliper and pull it away from the strut, suspending it with a piece of wire from the body. Do not disconnect the brake line.
  8.  
  9. Remove the attaching nut and then detach the push rod on the stabilizer bar at the strut.
  10.  
  11. Remove the bolts at the lower end of the strut connecting the steering arm to the strut.
  12.  
  13. Support the bottom of the strut. Unscrew the nuts at the top of the strut, from inside the engine compartment, then remove the strut.
  14.  

To install:
  1. Install the strut into the wheel housing and install the nuts. Using new nuts, torque the top strut mounting nuts to 16-17 ft. lbs. (21-23 Nm).
  2.  
  3. Install the stabilizer bar link and torque to 43 ft. lbs. (59 Nm).
  4.  
  5. Install the brake caliper and torque to 80 ft. lbs. (110 Nm).
  6.  
  7. Install the ABS sensor, the brake pad wear sensor and the brake hose. Connect the negative battery terminal. Have the alignment checked.
  8.  

 
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