Recommended replacement interval for the part category Brake disc : 50000 km

Important!

This replacement procedure can be used for:
BMW 3 Convertible (E93) 335 i, BMW 3 Convertible (E93) 330 i, BMW 3 Convertible (E93) 330 d, BMW 3 Convertible (E93) 330 d, BMW 3 Convertible (E93) 335 i, BMW 3 Convertible (E93) 330 i, BMW 3 Convertible (E93) 325 d … View more

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

Brake disc

        Brake disc for 3 Convertible (E93) Diesel (204 hp)
      
        Brake disc for 3 Convertible (E93) Petrol (272 hp)
      
        Brake disc for 3 Convertible (E93) Petrol (306 hp)
      
        Brake disc for 3 Convertible (E93) Diesel (231 hp)
      
        Brake disc for 3 Convertible (E93) Diesel (245 hp)
      
        Brake disc for 3 Convertible (E93) Petrol (272 hp)
      
        Brake disc for 3 Convertible (E93) Petrol (326 hp)

Replacement: brake discs – BMW 3 Convertible (E93). List of the tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Copper grease 
                      
                        HEX bit No.H5.
                      
                        HEX bit No.H7.
                      
                        Drive socket # 17 
                      
                        Wheel impact socket #17
                      
                        Brake caliper wind back tool
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Tap wrench
                      
                        Crow bar
                      
                        Impact screwdriver
                      
                        Rubber mallet
                      
                        Fender cover
                      
                        Wheel chock

Buy tools

Replacement: brake discs – BMW 3 Convertible (E93). Tip from AUTODOC experts:

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.
Warning! Shut down the engine before starting any work – BMW 3 Convertible (E93).

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 3 Convertible (E93). 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 3 Convertible (E93). 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 3 Convertible (E93). 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 3 Convertible (E93). 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 3 Convertible (E93). 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 3 Convertible (E93). After applying the spray, wait a few minutes.
Step 38

Install the wheel.

Replacement: brake discs – BMW 3 Convertible (E93). 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 3 Convertible (E93) – 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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