How to change front brake discs on BMW E82 – replacement guide
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Recommended replacement interval for the part category Brake disc : 50000km
Important!
This replacement procedure can be used for:
BMW 1 Coupe (E82) 118 d,
BMW 1 Coupe (E82) 120 d,
BMW 1 Coupe (E82) 120 d,
BMW 1 Coupe (E82) 120 i,
BMW 1 Coupe (E82) 118 d,
BMW 1 Coupe (E82) 125 i,
BMW 1 Coupe (E82) 120 i,
BMW 1 Coupe (E82) 120 d
…
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The steps may slightly vary depending on the car design.
How to change front brake discs on BMW 1 Series E82 [TUTORIAL AUTODOC]
All the parts you need to replace – Brake Discs for 1 Coupe (E82) and other BMW models
Replacement: brake discs – BMW E82. AUTODOC recommends:
Replace the brake disks on the car BMW E82 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
The replacement procedure is identical for both brake disks on the same axle.
When changing the brake discs, always replace the brake pads.
All work should be done with the engine stopped.
Replacement: brake discs – BMW E82. Recommended sequence of steps:
Step 1
Open the hood.
Step 2
Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Remove the wiper arm cover.
Step 4
Unscrew the brake fluid reservoir cap.
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.
AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. BMW E82
Step 9
Remove the wheel.
Step 10
Spread the brake pads. Use a crowbar.
Step 11
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
Step 12
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
Step 13
Detach the brake caliper retaining spring. Use a crowbar.
Step 14
Remove the brake caliper.
Replacement: brake discs – BMW E82. AUTODOC experts recommend:
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. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 15
Remove the brake pads.
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 caliper bracket.
Step 19
Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.
Step 20
Unscrew the brake disc fastening. Use HEX No.H6. Use an impact screwdriver.
Step 21
Remove the brake disc.
Step 22
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 23
Install the brake disc.
Step 24
Tighten the brake disc fastening. Use HEX No.H6. Use a torque wrench. Tighten it to 9 Nm torque.
Step 25
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
Replacement: brake discs – BMW E82. Tip:
After applying the spray, wait a few minutes.
Step 26
Install the brake caliper bracket.
Step 27
Tighten the brake caliper bracket. Use a drive socket #18. Use a torque wrench. Tighten it to 110 Nm torque.
Step 28
Treat the brake caliper piston. Use a brake cleaner.
AUTODOC recommends:
Replacement: brake discs – BMW E82. After applying the spray, wait a few minutes.
Step 29
Press in the brake caliper piston. Use brake caliper wind back tool.
Step 30
Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.
Step 31
Install the brake pads.
Step 32
Install the brake caliper and fix it. Use HEX No.H7. Use a torque wrench. Tighten it to 30 Nm torque.
Step 33
Install the dust boot caps of the brake caliper guide pins.
Step 34
Install the brake caliper retaining spring.
Step 35
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 36
Clean the brake disk surface. Use a brake cleaner.
Replacement: brake discs – BMW E82. Tip from AUTODOC:
After applying the spray, wait a few minutes.
Step 37
Install the wheel.
Replacement: brake discs – BMW E82. Professionals recommend:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 38
Screw in the wheel bolts. Use wheel impact socket #17.
Step 39
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 40
Remove the jacks and chocks.
Replacement: brake discs – BMW E82. Tip from AUTODOC experts:
Check the brake fluid level in the expansion tank and refill if necessary.
Step 41
Tighten the brake fluid reservoir cap.
Step 42
Install the wiper arm cover.
Step 43
Remove the fender protection cover. Close the hood.
AUTODOC recommends:
BMW E82 – Without starting the engine, press the brake pedal several times until it feels firm.
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