How to change rear brake discs on BMW E92 – 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 3 Coupe (E92) 330 i xDrive,
BMW 3 Coupe (E92) 330i,
BMW 3 Coupe (E92) 335i,
BMW 3 Coupe (E92) 335 d,
BMW 3 Coupe (E92) 330 d,
BMW 3 Coupe (E92) 330 xi,
BMW 3 Coupe (E92) 330 xd,
BMW 3 Coupe (E92) 335 xi,
BMW 3 Coupe (E92) 330d,
BMW 3 Coupe (E92) 330 xd,
BMW 3 Coupe (E92) 335 i xDrive,
BMW 3 Coupe (E92) 330 d xDrive,
BMW 3 Coupe (E92) 325d,
BMW 3 Coupe (E92) 325 d,
BMW 3 Coupe (E92) 335i,
BMW 3 Coupe (E92) 335i xDrive 3.0 ,
BMW 3 Coupe (E92) 335 xi,
BMW 3 Coupe (E92) 335i xDrive 3.0,
BMW 3 Coupe (E92) 330xi 3.0
…
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The steps may slightly vary depending on the car design.
How to change rear brake discs / rear brake rotors on BMW 330i 3 (E92) [TUTORIAL AUTODOC]
All the parts you need to replace – Brake Discs for 3 Coupe (E92) and other BMW models
Replacement: brake discs – BMW E92. Tip from AUTODOC experts:
Replace the brake disks on the car BMW E92 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.
Warning! Shut down the engine before starting any work – BMW E92.
Carry out replacement in the following order:
Step 1
Open the bonnet.
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 rear of the car and secure on supports.
Step 8
Unscrew the wheel bolts.
Replacement: brake discs – BMW E92. AUTODOC recommends:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 9
Remove the wheel.
Step 10
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
Step 11
Disconnect the brake pads wear sensor. Use a crowbar.
Please note!
Some cars are not equipped with the brake pad wear sensor.
Step 12
Detach the brake caliper retaining spring. Use a crowbar.
Step 13
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
Step 14
Spread the brake pads. Use a crowbar.
Step 15
Remove the brake caliper.
Replacement: brake discs – BMW E92. 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 16
Remove the brake pads.
Step 17
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 18
Unscrew the caliper bracket fastening. Use a drive socket #17. Use a tap wrench.
Step 19
Remove the caliper bracket.
Step 20
Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.
Step 21
Unscrew the brake disc fastening. Use HEX No.H5. Use an impact screwdriver.
Step 22
Remove the brake disc.
Replacement: brake discs – BMW E92. Tip from AUTODOC:
If necessary, use a rubber mallet.
Step 23
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 24
Install the brake disc.
Step 25
Tighten the brake disc fastening. Use HEX No.H5. Use a torque wrench. Tighten it to 16 Nm torque.
Step 26
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
AUTODOC recommends:
Replacement: brake discs – BMW E92. After applying the spray, wait a few minutes.
Step 27
Install the brake caliper bracket.
Step 28
Tighten the brake caliper bracket. Use a drive socket #17. Use a torque wrench. Tighten it to 65 Nm torque.
Step 29
Treat the brake caliper piston. Use a brake cleaner.
Replacement: brake discs – BMW E92. Tip:
After applying the spray, wait a few minutes.
Step 30
Press in the brake caliper piston. Use brake caliper wind back tool.
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
Connect the brake pads wear sensor.
Step 35
Install the brake caliper retaining spring. Use a crowbar.
Step 36
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 37
Clean the brake disk surface. Use a brake cleaner.
AUTODOC recommends:
Replacement: brake discs – BMW E92. After applying the spray, wait a few minutes.
Step 38
Install the wheel.
Replacement: brake discs – BMW E92. AUTODOC experts recommend:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 39
Screw in the wheel bolts. Use wheel impact socket #17.
Step 40
Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 120 Nm torque.
Step 41
Remove the jacks and chocks.
AUTODOC recommends:
BMW E92 – Press the brake pedal several times with the engine shut down until you feel the resistance built up.Check the brake fluid level in the expansion tank and refill if necessary.
Step 42
Tighten the brake fluid reservoir cap.
Step 43
Install the wiper arm cover.
Step 44
Remove the fender protection cover.
Step 45
Close the hood.
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