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

Important!

This replacement procedure can be used for:
BMW 1 Hatchback (E81) 118 i, BMW 1 Hatchback (E81) 118 i, BMW 1 Hatchback (E81) 120 i, BMW 1 Hatchback (E81) 120 i, BMW 1 Hatchback (E81) 120 i, BMW 1 Hatchback (E81) 118 i … 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 1 Hatchback (E81) and other BMW models

Brake disc

        Brake disc for 1 Hatchback (E81) Petrol (143 hp)
      
        Brake disc for 1 Hatchback (E81) Petrol (170 hp)
      
        Brake disc for 1 Hatchback (E81) Petrol (156 hp)
      
        Brake disc for 1 Hatchback (E81) Petrol (163 hp)
      
        Brake disc for 1 Hatchback (E81) Petrol (136 hp)
      
        Brake disc for 1 Hatchback (E81) Petrol (129 hp)

Replacement: brake discs – BMW 1 (E81). Tools you might need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner
                      
                        Brake caliper guide pins grease
                      
                        Copper grease
                      
                        Sealant
                      
                        Combination spanner #13
                      
                        Combination spanner #15
                      
                        Drive socket # 16
                      
                        HEX bit No.H6.
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Brake caliper wind back tool
                      
                        Flat Screwdriver
                      
                        Crow bar
                      
                        Wheel chock

Buy tools

AUTODOC recommends:

Replace the brake disks on the car BMW 1 (E81) 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 1 (E81) – 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 rear of the car and secure on supports.

Step 5

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. BMW 1 (E81)
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.

Step 8

Unscrew the brake caliper fastening. Use a combination spanner #13. Use a combination spanner #15.
Step 9

Spread the brake pads. Use a crowbar.

Step 10

Remove the brake caliper.

Replacement: brake discs – BMW 1 (E81). 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. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 11

Remove the brake pads. Use a flat screwdriver.
Step 12

Remove the brake pads retaining clips. Use a flat screwdriver.

Step 13

Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the caliper bracket fastening. Use a drive socket #16. Use a ratchet wrench.
Step 15

Remove the fastening bolts (2 pieces).

Step 16

Remove the caliper bracket.
Step 17

Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.

Step 18

Unscrew the brake disc fastening. Use HEX No.H6. Use a ratchet wrench.
Step 19

Remove the brake disc.
Step 20

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 21

Install the brake disc.
Step 22

Tighten the brake disc fastening. Use HEX No.H6. Use a torque wrench. Tighten it to 16 Nm torque.
Step 23

Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake discs – BMW 1 (E81). After applying the spray, wait a few minutes.
Step 24

Remove the guide pins from the brake caliper.
Step 25

Clean the brake caliper guide pins. Use a brake cleaner.

Replacement: brake discs – BMW 1 (E81). Tip from AUTODOC:
After applying the spray, wait a few minutes.
Step 26

Treat the brake caliper guide pins. Use the brake caliper guide pin grease.

Step 27

Screw in the guide pins.
Step 28

Treat the fastening bolts. Use a wire brush. Use a sealant.
Step 29

Install the brake caliper bracket.
Step 30

Install the fastening bolts (2 pieces).

Step 31

Tighten the brake caliper bracket. Use a drive socket #16. Use a torque wrench. Tighten it to 65 Nm torque.
Step 32

Install the brake pads retaining clips.
Step 33

Install the brake pads. Use a flat screwdriver.
Step 34

Treat the brake caliper piston. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake discs – BMW 1 (E81). After applying the spray, wait a few minutes.
Step 35

Press in the brake caliper piston. Use brake caliper wind back tool.
Step 36

Install the brake caliper and fix it. Use a combination spanner #15. Use a drive socket #13. Use a torque wrench. Tighten it to 35 Nm torque.
Step 37

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 38

Clean the brake disk surface. Use a brake cleaner.

Replacement: brake discs – BMW 1 (E81). AUTODOC experts recommend:
After applying the spray, wait a few minutes.
Step 39

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. BMW 1 (E81)
Step 40

Screw in the wheel bolts. Use wheel impact socket #17.
Step 41

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.

Replacement: brake discs – BMW 1 (E81). AUTODOC experts recommend:
Without starting the engine, press the brake pedal several times until you feel significant resistance.
Step 42

Remove the jacks and chocks.

Replacement: brake discs – BMW 1 (E81). Professionals recommend:
Check the brake fluid level in the expansion tank and refill if necessary.
Step 43

Tighten the brake fluid reservoir cap. Close the hood.

Was this manual helpful?

Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.

Searching for the right tyres?

Find out which tyre and wheel sizes are compatible with the BMW 1 Hatchback (E81) model.

Browse tyres

How to change rear brake pad wear sensor on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.2 MB
How to change front brake pad wear sensor on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.27 MB
How to change front ABS sensor on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.38 MB
How to change front brake discs on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.94 MB
How to change front brake pads on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.55 MB
How to change rear brake pads on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.47 MB

How to change front brake discs on BMW 1 Hatchback (E87) – replacement guide

Free download PDF
1.94 MB
How to change rear brake discs on BMW 1 Hatchback (E87) – replacement guide

Free download PDF
1.91 MB
How to change front brake discs on BMW E82 – replacement guide

Free download PDF
2.47 MB
How to change rear brake discs on BMW E82 – replacement guide

Free download PDF
2.46 MB
How to change front brake discs on BMW 1 Hatchback (E81) – replacement guide

Free download PDF
1.94 MB
How to change front brake discs on BMW 1 Convertible (E88) – replacement guide

Free download PDF
1.94 MB

Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!

Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.

Scan

To download the app:

- scan the QR code
- download from App Store
- download from Google Play

How to repair a bumper yourself | AUTODOC tips

9K views

Published on: 01/06/2023
DIY valve cover restoration | AUTODOC tips

6K views

Published on: 29/06/2023
How to restore a damaged thread | AUTODOC tips

5K views

Published on: 04/05/2023
5 mistakes made when washing the engine | AUTODOC tips

29K views

Published on: 22/04/2021