How to change front brake discs on BMW 3 Convertible (E93) – 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 Convertible (E93) 318 i,
BMW 3 Convertible (E93) 325 d,
BMW 3 Convertible (E93) 320 i,
BMW 3 Convertible (E93) 325 i,
BMW 3 Convertible (E93) 330 i,
BMW 3 Convertible (E93) 330 d,
BMW 3 Convertible (E93) 325 i,
BMW 3 Convertible (E93) 320 d,
BMW 3 Convertible (E93) 323 i,
BMW 3 Convertible (E93) 330 i,
BMW 3 Convertible (E93) 328 i,
BMW 3 Convertible (E93) 330 d,
BMW 3 Convertible (E93) 320 d,
BMW 3 Convertible (E93) 325 i,
BMW 3 Convertible (E93) 325 d,
BMW 3 Convertible (E93) 320 i,
BMW 3 Convertible (E93) 320 d,
BMW 3 Convertible (E93) 330 i,
BMW 3 Convertible (E93) 325 i,
BMW 3 Convertible (E93) 320 d,
BMW 3 Convertible (E93) 320 d,
BMW 3 Convertible (E93) 323 i
…
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The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Brake Discs for 3 Convertible (E93) and other BMW models
Replace the brake disks on the car BMW 3 Convertible (E93) 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.
Please note: all work on the car – BMW 3 Convertible (E93) – should be done with the engine switched off.
Carry out replacement in the following order:
Step 1
Open the bonnet. Unscrew the brake fluid reservoir cap.
Step 2
Secure the wheels with chocks.
Step 3
Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 4
Raise the front of the car and secure on supports.
Step 5
Unscrew the wheel bolts.
AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. BMW 3 Convertible (E93)
Step 6
Remove the wheel.
Step 7
Detach the brake caliper retaining spring. Use a flat screwdriver.
Step 8
Remove the dust boot caps of the brake caliper guide pins. Use a flat screwdriver.
Step 9
Spread the brake pads. Use a crowbar.
Step 10
Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
Step 11
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
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 13
Remove the brake pads.
Step 14
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 15
Unscrew the caliper bracket fastening. Use a drive socket #18. Use a ratchet wrench.
Step 16
Remove the fastening bolts (2 pieces).
Step 17
Remove the caliper bracket.
Step 18
Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.
Step 19
Unscrew the brake disc fastening. Use HEX No.H6. Use a ratchet wrench.
Step 20
Remove the brake disc.
Step 21
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 22
Install the brake disc.
Step 23
Tighten the brake disc fastening. Use HEX No.H6. Use a torque wrench. Tighten it to 16 Nm torque.
Step 24
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
AUTODOC recommends:
Replacement: brake discs – BMW 3 Convertible (E93). After applying the spray, wait a few minutes.
Step 25
Treat the fastening bolts. Use a sealant.
Step 26
Install the brake caliper bracket.
Step 27
Install the fastening bolts (2 pieces).
Step 28
Tighten the brake caliper bracket. Use a drive socket #18. Use a torque wrench. Tighten it to 110 Nm torque.
Step 29
Treat the brake caliper piston. Use a brake cleaner.
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