When to replace the Brake Discs on your BMW 3 SERIES
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
BMW 3 Saloon (E46) 318 i, BMW 3 Saloon (E46) 320 d, BMW 3 Saloon (E46) 323 i, BMW 3 Saloon (E46) 320 i, BMW 3 Saloon (E46) 316 i, BMW 3 Saloon (E46) 320 i, BMW 3 Saloon (E46) 318 i, BMW 3 Saloon (E46) 318 d, BMW 3 Saloon (E46) 316 i, BMW 3 Saloon (E46) 318 d, BMW 3 Saloon (E46) 320 d, BMW 3 Saloon (E46) 318 i, BMW 3 Saloon (E46) 320 i, BMW 3 Saloon (E46) 323 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 3 Saloon (E46) and other BMW models
Tools
Replacement: brake discs – BMW 3 (E46). Tools you'll need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Torx bit T30
Drive socket # 16
HEX bit No.H7.
Wheel impact socket #17
Ratchet wrench
Torque wrench
Brake caliper wind back tool
Tap wrench
Impact screwdriver
Rubber mallet
Crow bar
Wheel chock
Replacement: brake discs – BMW 3 (E46). AUTODOC recommends:
  • Replace the brake disks on the car BMW 3 E46 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 3 (E46). Use the following procedure:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    How to change Brake Discs on BMW E46 1998 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 3
    How to replace BMW 3 Saloon (E46) 320 d 1999 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 4
    Raise the rear of the car and secure on supports.
    Step 5
    BMW E46 320d 2.0 2000 Brake Discs replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Important! Hold the wheel while unscrewing the fastening bolts. BMW 3 (E46)
  4. Step 6
    Changing Brake Discs on BMW 3 Saloon (E46) 320i 2.2 2001 by yourself
    Remove the wheel.
  5. Step 7
    How to remove BMW 3 SERIES 318 i 2002 Brake Discs - online easy-to-follow instructions
    Spread the brake pads. Use a crowbar.
  6. Step 8
    How to replace Brake Discs on BMW 3 Saloon (E46) 2003: download PDF manuals and video instructions
    Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
  7. Step 9
    How hard is it to do yourself: Brake Discs replacement on BMW E46 318i 2.0 2004 - download illustrated guide
    Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Brake Discs on BMW 3 SERIES 2005? This free workshop manual will help you to do it yourself
    Detach the brake caliper retaining spring. Use a crowbar.
  9. Step 11
    Changing of Brake Discs on BMW E46 1998 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake caliper.
    Replacement: brake discs – BMW 3 (E46). Professionals 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.
  10. Step 12
    BMW 3 SERIES 316i 1.8 Brake Discs replacement: online guides and video tutorials
    Remove the brake pads. Use a crowbar.
  11. Step 13
    Replacing Brake Discs on BMW E46 2000 320 d by yourself
    Disconnect the brake pads wear sensor. Use a crowbar.
    Please note!
    Some cars are not equipped with the brake pad wear sensor.
  12. Step 14
    3 Saloon (E46) 318 i 2001 Brake Discs DIY replacement workshop manual
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  13. Step 15
    How to change Brake Discs on BMW 3 Saloon (E46) 2002 - tips and tricks
    Unscrew the caliper bracket fastening. Use a drive socket #16. Use a ratchet wrench. Use a tap wrench.
  14. Step 16
    Step-by-step recommendations for DIY replacement BMW E46 2003 318 i Brake Discs
    Remove the caliper bracket.
  15. Step 17
    DIY replacement of Brake Discs on BMW 3 Saloon (E46) 330d 2.9 2004 is not an issue anymore with our step-by-step tutorial
    Clean the brake disk surface. Use a wire brush. Use WD-40 spray.
  16. Step 18
    How to change Brake Discs on BMW E46 1998 - free PDF and video manuals
    Unscrew the brake disc fastening. Use Torx T30. Use an impact screwdriver.
    Replacement: brake discs – BMW 3 (E46). AUTODOC experts recommend:
    If necessary, use a rubber mallet.
  17. Step 19
    How to replace BMW 3 Saloon (E46) 320 d 1999 Brake Discs - step-by-step manuals and video guides
    Remove the brake disc.
  18. Step 20
    BMW E46 320d 2.0 2000 Brake Discs replacement: free workshop manuals
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  19. Step 21
    Changing Brake Discs on BMW 3 Saloon (E46) 320i 2.2 2001 by yourself
    Move the parking brake shoes against the drum. Use a crowbar.
  20. Step 22
    How to remove BMW 3 SERIES 318 i 2002 Brake Discs - online easy-to-follow instructions
    Install the brake disc.
  21. Step 23
    How to replace Brake Discs on BMW 3 Saloon (E46) 2003: download PDF manuals and video instructions
    Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 16 Nm torque.
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DIY BMW 3 Saloon (E46) Brake Discs replacement - online guide
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