How to change front strut mount on BMW E82 – replacement guide
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Important!
This replacement procedure can be used for:
BMW 1 Coupe (E82) M,
BMW 1 Coupe (E82) 118 d,
BMW 1 Coupe (E82) 135 i,
BMW 1 Coupe (E82) 120 d,
BMW 1 Coupe (E82) 123 d,
BMW 1 Coupe (E82) 125 i,
BMW 1 Coupe (E82) 120 d,
BMW 1 Coupe (E82) 120 i,
BMW 1 Coupe (E82) 118 d,
BMW 1 Coupe (E82) 128 i,
BMW 1 Coupe (E82) 120 i,
BMW 1 Coupe (E82) 120 d,
BMW 1 Coupe (E82) 135 i
…
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The steps may slightly vary depending on the car design.
How to change front strut mount on BMW 1 Series E82 [TUTORIAL AUTODOC]
All the parts you need to replace – Strut Mount for 1 Coupe (E82) and other BMW models
Replacement: strut mount – BMW E82. AUTODOC experts recommend:
The replacement procedure is identical for the mounts of the left and right shock struts of the front suspension.
All mounts of the front shock struts should be replaced simultaneously.
All work should be done with the engine stopped.
Replacement: strut mount – BMW E82. Recommended sequence of steps:
Step 1
Open the bonnet.
Step 2
Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.
Step 4
Loosen the upper fastener of the shock strut mount. Use a combination spanner #13.
Step 5
Secure the wheels with chocks.
Step 6
Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 7
Raise the front of the car and secure on supports.
Step 8
Unscrew the wheel bolts.
Replacement: strut mount – BMW E82. Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 9
Remove the wheel.
Step 10
Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 11
Unscrew the fastener connecting the stabilizer link to the shock strut. Use a combination spanner #18. Use a drive socket #15. Use a ratchet wrench.
Step 12
Remove the stabilizer rod.
Step 13
Disconnect the ABS sensor wiring.
Step 14
Detach the ABS sensor connector.
Step 15
Spread the brake pads. Use a crowbar.
Step 16
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 17
Unscrew the caliper bracket fastening. Use a drive socket #18. Use a tap wrench.
Step 18
Remove the brake caliper together with its bracket.
Replacement: strut mount – BMW E82. AUTODOC recommends:
Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
Step 19
Clean the fastener connecting the tie rod end to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 20
Unscrew the end fastening nut to the steering knuckle. Use a drive socket #21. Use a ratchet wrench.
Step 21
Disconnect the tie rod end from the steering knuckle.
Step 22
Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
Step 23
Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 24
Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 25
Unscrew the lower fastener connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 26
Unscrew the front arm fastener. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 27
Remove the fastening bolts.
Step 28
Remove the control arms. Use a crowbar.
Step 29
Remove the fastening bolt.
Step 30
Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 31
Release the lower fastener connecting the shock strut to the steering knuckle. Use a special drive socket to remove the shock absorber. Use a ratchet wrench.
Step 32
Lower the hydraulic transmission jack by 10-15 cm.
AUTODOC recommends:
Replacement: strut mount – BMW E82. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 33
Disconnect the steering knuckle from the shock absorber strut.
Step 34
Unscrew the top fastening of the shock strut mount.
Replacement: strut mount – BMW E82. Tip from AUTODOC:
To avoid injuries, hold the shock strut when undoing the fastening bolts.
Step 35
Remove the suspension strut.
Step 36
Set the shock absorber strut on the spring compressor tool.
Replacement: strut mount – BMW E82. Tip from AUTODOC experts:
Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles.
Step 37
Compress the spring.
Step 38
Remove the shock strut mount cap. Use a crowbar.
Step 39
Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 40
Remove the strut piston rod nut. Use a drive socket #21. Use HEX No.H6. Use a ratchet wrench.
Step 41
Remove the top strut mount.
Replacement: strut mount – BMW E82. Professionals recommend:
Examine the shock absorber dust cap and the bump stop. Replace them if necessary.
Step 42
Install the upper strut mount and the strut mount bearing.
Step 43
Tighten the shock strut piston rod nut. Use a drive socket #21. Use HEX No.H6. Use a torque wrench. Tighten it to 64 Nm torque.
Replacement: strut mount – BMW E82. AUTODOC recommends:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 44
Treat the shock strut rod. Use copper grease.
Step 45
Install the shock strut mount cap.
Step 46
Decompress the spring.
Step 47
Remove the assembled shock strut.
Step 48
Treat the shock strut mounting seat on the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 49
Install the shock strut into the wheel arch.
Step 50
Screw the top fastening of the shock strut mount. Do not tighten it.
AUTODOC recommends:
Important! Hold the suspension strut while screwing in the fastening bolts. BMW E82
Step 51
Treat the shock strut mounting seat on the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 52
Fix the shock absorber strut on the steering knuckle.
Step 53
Install the fastening bolt.
Step 54
Remove the support from under the steering knuckle.
AUTODOC recommends:
BMW E82 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 55
Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 56
Install the control arms.
Step 57
Install the fastening bolts.
Step 58
Clean the mounting seats of the tie rod end. Use a wire brush. Use WD-40 spray.
Step 59
Connect the tie rod end to the steering knuckle.
Step 60
Screw on the fastening nut that connects the tie rod end to the steering knuckle. Use a drive socket #21. Use a ratchet wrench.
Step 61
Install the brake caliper together with its bracket.
Step 62
Tighten the brake caliper bracket. Use a drive socket #18. Use a torque wrench. Tighten it to 110 Nm torque.
Step 63
Screw in the fastener that connects the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 64
Support the arm. Use a hydraulic transmission jack.
Step 65
Tighten the rear fastener of the control arm. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 68 Nm torque.+90°
AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 66
Tighten the front fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 68 Nm torque.+90°
AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 67
Tighten the lower fasteners connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 82 Nm torque.
Step 68
Remove the support from under the arm.
Replacement: strut mount – BMW E82. AUTODOC experts recommend:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 69
Tighten the fastening nut connecting the tie rod end to the steering knuckle. Use a drive socket #21. Use a torque wrench. Tighten it to 165 nm torque.
AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 70
Attach the ABS sensor connector.
Step 71
Connect the ABS sensor wiring.
Step 72
Ιnstall the transverse stabilizer link.
Step 73
Tighten the fastener connecting the stabilizer link to the shock strut. Use a combination spanner #18. Use a drive socket #15. Use a torque wrench. Tighten it to 58 Nm torque.
Step 74
Treat all joints of the arm. Treat the shock strut fasteners. Use copper grease.
Step 75
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 76
Clean the brake disk surface. Use a brake cleaner.
AUTODOC recommends:
Replacement: strut mount – BMW E82. After applying the spray, wait a few minutes.
Step 77
Install the wheel.
Replacement: strut mount – BMW E82. Tip from AUTODOC experts:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 78
Screw in the wheel bolts. Use wheel impact socket #17.
Step 79
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 120 nm torque.
Step 80
Remove the jacks and chocks.
Step 81
Tighten the upper fastener of the shock absorber strut mount. Use a drive socket #13. Use a torque wrench. Tighten it to 34 Nm torque.
Step 82
Treat the fasteners of the shock strut mount. Use copper grease.
Step 83
Remove the fender protection cover.
Step 84
Close the hood.
AUTODOC recommends:
BMW E82 – Press the brake pedal several times with the engine shut down until you feel the resistance built up.
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